[3.12] gh-115398: Expose Expat >=2.6.0 reparse deferral API (CVE-2023-52425) (GH-115623) #116248
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
…52425) (pythonGH-115623) Allow controlling Expat >=2.6.0 reparse deferral (CVE-2023-52425) by adding five new methods: - `xml.etree.ElementTree.XMLParser.flush` - `xml.etree.ElementTree.XMLPullParser.flush` - `xml.parsers.expat.xmlparser.GetReparseDeferralEnabled` - `xml.parsers.expat.xmlparser.SetReparseDeferralEnabled` - `xml.sax.expatreader.ExpatParser.flush` Based on the "flush" idea from python#115138 (comment) . - Please treat as a security fix related to CVE-2023-52425. Includes code suggested-by: Snild Dolkow <[email protected]> and by core dev Serhiy Storchaka. (cherry picked from commit 6a95676)
bedevere-app
bot
added
type-feature
As suggested by Serhiy Storchaka
gpshead
reviewed
Mar 4, 2024
gpshead
reviewed
Mar 6, 2024
Misc/NEWS.d/next/Security/2024-02-18-03-14-40.gh-issue-115398.tzvxH8.rst
Show resolved
Hide resolved
…t API availability (pythonGH-116278) Suggest use of "hasattr" with checking for 3.13 Expat API availability (cherry picked from commit 73807eb)
(cherry picked from commit eda2963)
hartwork
force-pushed
the
backport-6a95676-3.12
branch
from
a5a8f3c
to
cafaa33
Compare
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Allow controlling Expat >=2.6.0 reparse deferral (CVE-2023-52425) by adding five new methods:
xml.etree.ElementTree.XMLParser.flushxml.etree.ElementTree.XMLPullParser.flushxml.parsers.expat.xmlparser.GetReparseDeferralEnabledxml.parsers.expat.xmlparser.SetReparseDeferralEnabledxml.sax.expatreader.ExpatParser.flushBased on the "flush" idea from #115138 (comment) .
Includes code suggested-by: Snild Dolkow [email protected]
and by core dev Serhiy Storchaka.
(cherry picked from commit 6a95676)
XML_SetReparseDeferralEnabled#115398📚 Documentation preview 📚: https://cpython-previews--116248.org.readthedocs.build/