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follow upstream redirects directive #839

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ahmadnassri opened this issue Jan 6, 2016 · 10 comments
Closed

follow upstream redirects directive #839

ahmadnassri opened this issue Jan 6, 2016 · 10 comments
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task/feature Requests for new features in Kong

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@ahmadnassri
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if the upstream responds with a redirect, typically it will send an absolute path that will not match the one Kong clients are calling (both request host and request path).

a follow_redirects directive on the API would instruct nginx to retry the same request at the new location before sending back to the client, thus eliminating the need for the client to know about the redirect.

@thibaultcha
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Should probably use proxy_redirect.

@catchdave
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Proxy_redirect would fix the issue nicely :)

@thibaultcha thibaultcha added task/proposal task/feature Requests for new features in Kong and removed task/proposal labels Jan 8, 2016
@3dbrows
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3dbrows commented Jan 28, 2016

+1, this would be particularly useful when the redirect from the upstream host is unreachable from the end user's machine, but is reachable by Kong (e.g. Kong is exposing an internal service).

@anamarialazar
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+1

@ahmadnassri ahmadnassri added the BC label May 13, 2016
@thibaultcha thibaultcha removed the BC label Sep 1, 2016
@JnMik
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JnMik commented Mar 6, 2017

+1 Need this too

@lnryan
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lnryan commented May 9, 2017

+1 also need this

@kl4n4
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kl4n4 commented Jun 1, 2017

+1 same here

@john-deng
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+1 need this too

@jakebolam
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+1 looking for this

@MingStar
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+1 this would be a much-needed option in kong itself (instead of fiddling with the underlying nginx configs)

@guanlan guanlan closed this as completed May 26, 2021
@Kong Kong locked and limited conversation to collaborators May 26, 2021
kikito pushed a commit that referenced this issue Apr 23, 2024
### Summary

#### 2.6.0
```
Release 2.6.0 Tue February 6 2024
        Security fixes:
      #789 #814  CVE-2023-52425 -- Fix quadratic runtime issues with big tokens
                   that can cause denial of service, in partial where
                   dealing with compressed XML input.  Applications
                   that parsed a document in one go -- a single call to
                   functions XML_Parse or XML_ParseBuffer -- were not affected.
                   The smaller the chunks/buffers you use for parsing
                   previously, the bigger the problem prior to the fix.
                   Backporters should be careful to no omit parts of
                   pull request #789 and to include earlier pull request #771,
                   in order to not break the fix.
           #777  CVE-2023-52426 -- Fix billion laughs attacks for users
                   compiling *without* XML_DTD defined (which is not common).
                   Users with XML_DTD defined have been protected since
                   Expat >=2.4.0 (and that was CVE-2013-0340 back then).

        Bug fixes:
            #753  Fix parse-size-dependent "invalid token" error for
                    external entities that start with a byte order mark
            #780  Fix NULL pointer dereference in setContext via
                    XML_ExternalEntityParserCreate for compilation with
                    XML_DTD undefined
       #812 #813  Protect against closing entities out of order

        Other changes:
            #723  Improve support for arc4random/arc4random_buf
       #771 #788  Improve buffer growth in XML_GetBuffer and XML_Parse
       #761 #770  xmlwf: Support --help and --version
       #759 #770  xmlwf: Support custom buffer size for XML_GetBuffer and read
            #744  xmlwf: Improve language and URL clickability in help output
            #673  examples: Add new example "element_declarations.c"
            #764  Be stricter about macro XML_CONTEXT_BYTES at build time
            #765  Make inclusion to expat_config.h consistent
       #726 #727  Autotools: configure.ac: Support --disable-maintainer-mode
    #678 #705 ..
  #706 #733 #792  Autotools: Sync CMake templates with CMake 3.26
            #795  Autotools: Make installation of shipped man page doc/xmlwf.1
                    independent of docbook2man availability
            #815  Autotools|CMake: Add missing -DXML_STATIC to pkg-config file
                    section "Cflags.private" in order to fix compilation
                    against static libexpat using pkg-config on Windows
       #724 #751  Autotools|CMake: Require a C99 compiler
                    (a de-facto requirement already since Expat 2.2.2 of 2017)
            #793  Autotools|CMake: Fix PACKAGE_BUGREPORT variable
       #750 #786  Autotools|CMake: Make test suite require a C++11 compiler
            #749  CMake: Require CMake >=3.5.0
            #672  CMake: Lowercase off_t and size_t to help a bug in Meson
            #746  CMake: Sort xmlwf sources alphabetically
            #785  CMake|Windows: Fix generation of DLL file version info
            #790  CMake: Build tests/benchmark/benchmark.c as well for
                    a build with -DEXPAT_BUILD_TESTS=ON
       #745 #757  docs: Document the importance of isFinal + adjust tests
                    accordingly
            #736  docs: Improve use of "NULL" and "null"
            #713  docs: Be specific about version of XML (XML 1.0r4)
                    and version of C (C99); (XML 1.0r5 will need a sponsor.)
            #762  docs: reference.html: Promote function XML_ParseBuffer more
            #779  docs: reference.html: Add HTML anchors to XML_* macros
            #760  docs: reference.html: Upgrade to OK.css 1.2.0
       #763 #739  docs: Fix typos
            #696  docs|CI: Use HTTPS URLs instead of HTTP at various places
    #669 #670 ..
    #692 #703 ..
       #733 #772  Address compiler warnings
       #798 #800  Address clang-tidy warnings
       #775 #776  Version info bumped from 9:10:8 (libexpat*.so.1.8.10)
                    to 10:0:9 (libexpat*.so.1.9.0); see https://verbump.de/
                    for what these numbers do

        Infrastructure:
       #700 #701  docs: Document security policy in file SECURITY.md
            #766  docs: Improve parse buffer variables in-code documentation
    #674 #738 ..
    #740 #747 ..
  #748 #781 #782  Refactor coverage and conformance tests
       #714 #716  Refactor debug level variables to unsigned long
            #671  Improve handling of empty environment variable value
                    in function getDebugLevel (without visible user effect)
    #755 #774 ..
    #758 #783 ..
       #784 #787  tests: Improve test coverage with regard to parse chunk size
  #660 #797 #801  Fuzzing: Improve fuzzing coverage
       #367 #799  Fuzzing|CI: Start running OSS-Fuzz fuzzing regression tests
       #698 #721  CI: Resolve some Travis CI leftovers
            #669  CI: Be robust towards absence of Git tags
       #693 #694  CI: Set permissions to "contents: read" for security
            #709  CI: Pin all GitHub Actions to specific commits for security
            #739  CI: Reject spelling errors using codespell
            #798  CI: Enforce clang-tidy clean code
    #773 #808 ..
       #809 #810  CI: Upgrade Clang from 15 to 18
            #796  CI: Start using Clang's Control Flow Integrity sanitizer
  #675 #720 #722  CI: Adapt to breaking changes in GitHub Actions Ubuntu images
            #689  CI: Adapt to breaking changes in Clang/LLVM Debian packaging
            #763  CI: Adapt to breaking changes in codespell
            #803  CI: Adapt to breaking changes in Cppcheck

        Special thanks to:
            Ivan Galkin
            Joyce Brum
            Philippe Antoine
            Rhodri James
            Snild Dolkow
            spookyahell
            Steven Garske
                 and
            Clang AddressSanitizer
            Clang UndefinedBehaviorSanitizer
            codespell
            GCC Farm Project
            OSS-Fuzz
            Sony Mobile
```

#### 2.6.1
```
Release 2.6.1 Thu February 29 2024
        Bug fixes:
            #817  Make tests independent of CPU speed, and thus more robust
       #828 #836  Expose billion laughs API with XML_DTD defined and
                    XML_GE undefined, regression from 2.6.0

        Other changes:
            #829  Hide test-only code behind new internal macro
            #833  Autotools: Reject expat_config.h.in defining SIZEOF_VOID_P
            #819  Address compiler warnings
       #832 #834  Version info bumped from 10:0:9 (libexpat*.so.1.9.0)
                    to 10:1:9 (libexpat*.so.1.9.1); see https://verbump.de/
                    for what these numbers do

        Infrastructure:
            #818  CI: Adapt to breaking changes in clang-format

        Special thanks to:
            David Hall
            Snild Dolkow
```

#### 2.6.2
```
Release 2.6.2 Wed March 13 2024
        Security fixes:
       #839 #842  CVE-2024-28757 -- Prevent billion laughs attacks with
                    isolated use of external parsers.  Please see the commit
                    message of commit 1d50b80cf31de87750103656f6eb693746854aa8
                    for details.

        Bug fixes:
       #839 #841  Reject direct parameter entity recursion
                    and avoid the related undefined behavior

        Other changes:
            #847  Autotools: Fix build for DOCBOOK_TO_MAN containing spaces
            #837  Add missing #821 and #824 to 2.6.1 change log
       #838 #843  Version info bumped from 10:1:9 (libexpat*.so.1.9.1)
                    to 10:2:9 (libexpat*.so.1.9.2); see https://verbump.de/
                    for what these numbers do

        Special thanks to:
            Philippe Antoine
            Tomas Korbar
                 and
            Clang UndefinedBehaviorSanitizer
            OSS-Fuzz / ClusterFuzz
```

Signed-off-by: Aapo Talvensaari <[email protected]>
bungle added a commit that referenced this issue Apr 23, 2024
### Summary

#### 2.6.0
```
Release 2.6.0 Tue February 6 2024
        Security fixes:
      #789 #814  CVE-2023-52425 -- Fix quadratic runtime issues with big tokens
                   that can cause denial of service, in partial where
                   dealing with compressed XML input.  Applications
                   that parsed a document in one go -- a single call to
                   functions XML_Parse or XML_ParseBuffer -- were not affected.
                   The smaller the chunks/buffers you use for parsing
                   previously, the bigger the problem prior to the fix.
                   Backporters should be careful to no omit parts of
                   pull request #789 and to include earlier pull request #771,
                   in order to not break the fix.
           #777  CVE-2023-52426 -- Fix billion laughs attacks for users
                   compiling *without* XML_DTD defined (which is not common).
                   Users with XML_DTD defined have been protected since
                   Expat >=2.4.0 (and that was CVE-2013-0340 back then).

        Bug fixes:
            #753  Fix parse-size-dependent "invalid token" error for
                    external entities that start with a byte order mark
            #780  Fix NULL pointer dereference in setContext via
                    XML_ExternalEntityParserCreate for compilation with
                    XML_DTD undefined
       #812 #813  Protect against closing entities out of order

        Other changes:
            #723  Improve support for arc4random/arc4random_buf
       #771 #788  Improve buffer growth in XML_GetBuffer and XML_Parse
       #761 #770  xmlwf: Support --help and --version
       #759 #770  xmlwf: Support custom buffer size for XML_GetBuffer and read
            #744  xmlwf: Improve language and URL clickability in help output
            #673  examples: Add new example "element_declarations.c"
            #764  Be stricter about macro XML_CONTEXT_BYTES at build time
            #765  Make inclusion to expat_config.h consistent
       #726 #727  Autotools: configure.ac: Support --disable-maintainer-mode
    #678 #705 ..
  #706 #733 #792  Autotools: Sync CMake templates with CMake 3.26
            #795  Autotools: Make installation of shipped man page doc/xmlwf.1
                    independent of docbook2man availability
            #815  Autotools|CMake: Add missing -DXML_STATIC to pkg-config file
                    section "Cflags.private" in order to fix compilation
                    against static libexpat using pkg-config on Windows
       #724 #751  Autotools|CMake: Require a C99 compiler
                    (a de-facto requirement already since Expat 2.2.2 of 2017)
            #793  Autotools|CMake: Fix PACKAGE_BUGREPORT variable
       #750 #786  Autotools|CMake: Make test suite require a C++11 compiler
            #749  CMake: Require CMake >=3.5.0
            #672  CMake: Lowercase off_t and size_t to help a bug in Meson
            #746  CMake: Sort xmlwf sources alphabetically
            #785  CMake|Windows: Fix generation of DLL file version info
            #790  CMake: Build tests/benchmark/benchmark.c as well for
                    a build with -DEXPAT_BUILD_TESTS=ON
       #745 #757  docs: Document the importance of isFinal + adjust tests
                    accordingly
            #736  docs: Improve use of "NULL" and "null"
            #713  docs: Be specific about version of XML (XML 1.0r4)
                    and version of C (C99); (XML 1.0r5 will need a sponsor.)
            #762  docs: reference.html: Promote function XML_ParseBuffer more
            #779  docs: reference.html: Add HTML anchors to XML_* macros
            #760  docs: reference.html: Upgrade to OK.css 1.2.0
       #763 #739  docs: Fix typos
            #696  docs|CI: Use HTTPS URLs instead of HTTP at various places
    #669 #670 ..
    #692 #703 ..
       #733 #772  Address compiler warnings
       #798 #800  Address clang-tidy warnings
       #775 #776  Version info bumped from 9:10:8 (libexpat*.so.1.8.10)
                    to 10:0:9 (libexpat*.so.1.9.0); see https://verbump.de/
                    for what these numbers do

        Infrastructure:
       #700 #701  docs: Document security policy in file SECURITY.md
            #766  docs: Improve parse buffer variables in-code documentation
    #674 #738 ..
    #740 #747 ..
  #748 #781 #782  Refactor coverage and conformance tests
       #714 #716  Refactor debug level variables to unsigned long
            #671  Improve handling of empty environment variable value
                    in function getDebugLevel (without visible user effect)
    #755 #774 ..
    #758 #783 ..
       #784 #787  tests: Improve test coverage with regard to parse chunk size
  #660 #797 #801  Fuzzing: Improve fuzzing coverage
       #367 #799  Fuzzing|CI: Start running OSS-Fuzz fuzzing regression tests
       #698 #721  CI: Resolve some Travis CI leftovers
            #669  CI: Be robust towards absence of Git tags
       #693 #694  CI: Set permissions to "contents: read" for security
            #709  CI: Pin all GitHub Actions to specific commits for security
            #739  CI: Reject spelling errors using codespell
            #798  CI: Enforce clang-tidy clean code
    #773 #808 ..
       #809 #810  CI: Upgrade Clang from 15 to 18
            #796  CI: Start using Clang's Control Flow Integrity sanitizer
  #675 #720 #722  CI: Adapt to breaking changes in GitHub Actions Ubuntu images
            #689  CI: Adapt to breaking changes in Clang/LLVM Debian packaging
            #763  CI: Adapt to breaking changes in codespell
            #803  CI: Adapt to breaking changes in Cppcheck

        Special thanks to:
            Ivan Galkin
            Joyce Brum
            Philippe Antoine
            Rhodri James
            Snild Dolkow
            spookyahell
            Steven Garske
                 and
            Clang AddressSanitizer
            Clang UndefinedBehaviorSanitizer
            codespell
            GCC Farm Project
            OSS-Fuzz
            Sony Mobile
```

#### 2.6.1
```
Release 2.6.1 Thu February 29 2024
        Bug fixes:
            #817  Make tests independent of CPU speed, and thus more robust
       #828 #836  Expose billion laughs API with XML_DTD defined and
                    XML_GE undefined, regression from 2.6.0

        Other changes:
            #829  Hide test-only code behind new internal macro
            #833  Autotools: Reject expat_config.h.in defining SIZEOF_VOID_P
            #819  Address compiler warnings
       #832 #834  Version info bumped from 10:0:9 (libexpat*.so.1.9.0)
                    to 10:1:9 (libexpat*.so.1.9.1); see https://verbump.de/
                    for what these numbers do

        Infrastructure:
            #818  CI: Adapt to breaking changes in clang-format

        Special thanks to:
            David Hall
            Snild Dolkow
```

#### 2.6.2
```
Release 2.6.2 Wed March 13 2024
        Security fixes:
       #839 #842  CVE-2024-28757 -- Prevent billion laughs attacks with
                    isolated use of external parsers.  Please see the commit
                    message of commit 1d50b80cf31de87750103656f6eb693746854aa8
                    for details.

        Bug fixes:
       #839 #841  Reject direct parameter entity recursion
                    and avoid the related undefined behavior

        Other changes:
            #847  Autotools: Fix build for DOCBOOK_TO_MAN containing spaces
            #837  Add missing #821 and #824 to 2.6.1 change log
       #838 #843  Version info bumped from 10:1:9 (libexpat*.so.1.9.1)
                    to 10:2:9 (libexpat*.so.1.9.2); see https://verbump.de/
                    for what these numbers do

        Special thanks to:
            Philippe Antoine
            Tomas Korbar
                 and
            Clang UndefinedBehaviorSanitizer
            OSS-Fuzz / ClusterFuzz
```

Signed-off-by: Aapo Talvensaari <[email protected]>
tysoekong pushed a commit that referenced this issue Apr 26, 2024
```
Release 2.6.0 Tue February 6 2024
        Security fixes:
      #789 #814  CVE-2023-52425 -- Fix quadratic runtime issues with big tokens
                   that can cause denial of service, in partial where
                   dealing with compressed XML input.  Applications
                   that parsed a document in one go -- a single call to
                   functions XML_Parse or XML_ParseBuffer -- were not affected.
                   The smaller the chunks/buffers you use for parsing
                   previously, the bigger the problem prior to the fix.
                   Backporters should be careful to no omit parts of
                   pull request #789 and to include earlier pull request #771,
                   in order to not break the fix.
           #777  CVE-2023-52426 -- Fix billion laughs attacks for users
                   compiling *without* XML_DTD defined (which is not common).
                   Users with XML_DTD defined have been protected since
                   Expat >=2.4.0 (and that was CVE-2013-0340 back then).

        Bug fixes:
            #753  Fix parse-size-dependent "invalid token" error for
                    external entities that start with a byte order mark
            #780  Fix NULL pointer dereference in setContext via
                    XML_ExternalEntityParserCreate for compilation with
                    XML_DTD undefined
       #812 #813  Protect against closing entities out of order

        Other changes:
            #723  Improve support for arc4random/arc4random_buf
       #771 #788  Improve buffer growth in XML_GetBuffer and XML_Parse
       #761 #770  xmlwf: Support --help and --version
       #759 #770  xmlwf: Support custom buffer size for XML_GetBuffer and read
            #744  xmlwf: Improve language and URL clickability in help output
            #673  examples: Add new example "element_declarations.c"
            #764  Be stricter about macro XML_CONTEXT_BYTES at build time
            #765  Make inclusion to expat_config.h consistent
       #726 #727  Autotools: configure.ac: Support --disable-maintainer-mode
    #678 #705 ..
  #706 #733 #792  Autotools: Sync CMake templates with CMake 3.26
            #795  Autotools: Make installation of shipped man page doc/xmlwf.1
                    independent of docbook2man availability
            #815  Autotools|CMake: Add missing -DXML_STATIC to pkg-config file
                    section "Cflags.private" in order to fix compilation
                    against static libexpat using pkg-config on Windows
       #724 #751  Autotools|CMake: Require a C99 compiler
                    (a de-facto requirement already since Expat 2.2.2 of 2017)
            #793  Autotools|CMake: Fix PACKAGE_BUGREPORT variable
       #750 #786  Autotools|CMake: Make test suite require a C++11 compiler
            #749  CMake: Require CMake >=3.5.0
            #672  CMake: Lowercase off_t and size_t to help a bug in Meson
            #746  CMake: Sort xmlwf sources alphabetically
            #785  CMake|Windows: Fix generation of DLL file version info
            #790  CMake: Build tests/benchmark/benchmark.c as well for
                    a build with -DEXPAT_BUILD_TESTS=ON
       #745 #757  docs: Document the importance of isFinal + adjust tests
                    accordingly
            #736  docs: Improve use of "NULL" and "null"
            #713  docs: Be specific about version of XML (XML 1.0r4)
                    and version of C (C99); (XML 1.0r5 will need a sponsor.)
            #762  docs: reference.html: Promote function XML_ParseBuffer more
            #779  docs: reference.html: Add HTML anchors to XML_* macros
            #760  docs: reference.html: Upgrade to OK.css 1.2.0
       #763 #739  docs: Fix typos
            #696  docs|CI: Use HTTPS URLs instead of HTTP at various places
    #669 #670 ..
    #692 #703 ..
       #733 #772  Address compiler warnings
       #798 #800  Address clang-tidy warnings
       #775 #776  Version info bumped from 9:10:8 (libexpat*.so.1.8.10)
                    to 10:0:9 (libexpat*.so.1.9.0); see https://verbump.de/
                    for what these numbers do

        Infrastructure:
       #700 #701  docs: Document security policy in file SECURITY.md
            #766  docs: Improve parse buffer variables in-code documentation
    #674 #738 ..
    #740 #747 ..
  #748 #781 #782  Refactor coverage and conformance tests
       #714 #716  Refactor debug level variables to unsigned long
            #671  Improve handling of empty environment variable value
                    in function getDebugLevel (without visible user effect)
    #755 #774 ..
    #758 #783 ..
       #784 #787  tests: Improve test coverage with regard to parse chunk size
  #660 #797 #801  Fuzzing: Improve fuzzing coverage
       #367 #799  Fuzzing|CI: Start running OSS-Fuzz fuzzing regression tests
       #698 #721  CI: Resolve some Travis CI leftovers
            #669  CI: Be robust towards absence of Git tags
       #693 #694  CI: Set permissions to "contents: read" for security
            #709  CI: Pin all GitHub Actions to specific commits for security
            #739  CI: Reject spelling errors using codespell
            #798  CI: Enforce clang-tidy clean code
    #773 #808 ..
       #809 #810  CI: Upgrade Clang from 15 to 18
            #796  CI: Start using Clang's Control Flow Integrity sanitizer
  #675 #720 #722  CI: Adapt to breaking changes in GitHub Actions Ubuntu images
            #689  CI: Adapt to breaking changes in Clang/LLVM Debian packaging
            #763  CI: Adapt to breaking changes in codespell
            #803  CI: Adapt to breaking changes in Cppcheck

        Special thanks to:
            Ivan Galkin
            Joyce Brum
            Philippe Antoine
            Rhodri James
            Snild Dolkow
            spookyahell
            Steven Garske
                 and
            Clang AddressSanitizer
            Clang UndefinedBehaviorSanitizer
            codespell
            GCC Farm Project
            OSS-Fuzz
            Sony Mobile
```

```
Release 2.6.1 Thu February 29 2024
        Bug fixes:
            #817  Make tests independent of CPU speed, and thus more robust
       #828 #836  Expose billion laughs API with XML_DTD defined and
                    XML_GE undefined, regression from 2.6.0

        Other changes:
            #829  Hide test-only code behind new internal macro
            #833  Autotools: Reject expat_config.h.in defining SIZEOF_VOID_P
            #819  Address compiler warnings
       #832 #834  Version info bumped from 10:0:9 (libexpat*.so.1.9.0)
                    to 10:1:9 (libexpat*.so.1.9.1); see https://verbump.de/
                    for what these numbers do

        Infrastructure:
            #818  CI: Adapt to breaking changes in clang-format

        Special thanks to:
            David Hall
            Snild Dolkow
```

```
Release 2.6.2 Wed March 13 2024
        Security fixes:
       #839 #842  CVE-2024-28757 -- Prevent billion laughs attacks with
                    isolated use of external parsers.  Please see the commit
                    message of commit 1d50b80cf31de87750103656f6eb693746854aa8
                    for details.

        Bug fixes:
       #839 #841  Reject direct parameter entity recursion
                    and avoid the related undefined behavior

        Other changes:
            #847  Autotools: Fix build for DOCBOOK_TO_MAN containing spaces
            #837  Add missing #821 and #824 to 2.6.1 change log
       #838 #843  Version info bumped from 10:1:9 (libexpat*.so.1.9.1)
                    to 10:2:9 (libexpat*.so.1.9.2); see https://verbump.de/
                    for what these numbers do

        Special thanks to:
            Philippe Antoine
            Tomas Korbar
                 and
            Clang UndefinedBehaviorSanitizer
            OSS-Fuzz / ClusterFuzz
```

KAG-4331

Signed-off-by: Aapo Talvensaari <[email protected]>

This issue was moved to a discussion.

You can continue the conversation there. Go to discussion →

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