| Name | CVE-2026-4224 |
| Description | When an Expat parser with a registered ElementDeclHandler parses an in ... |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pypy3 (PTS) | bullseye | 7.3.5+dfsg-2+deb11u2 | vulnerable |
| bullseye (security) | 7.3.5+dfsg-2+deb11u5 | vulnerable |
| bookworm | 7.3.11+dfsg-2+deb12u3 | vulnerable |
| trixie | 7.3.19+dfsg-2 | vulnerable |
| forky, sid | 7.3.20+dfsg-4 | vulnerable |
| python2.7 (PTS) | bullseye | 2.7.18-8+deb11u1 | vulnerable |
| python3.11 (PTS) | bookworm | 3.11.2-6+deb12u6 | vulnerable |
| bookworm (security) | 3.11.2-6+deb12u3 | vulnerable |
| python3.13 (PTS) | trixie | 3.13.5-2 | vulnerable |
| forky, sid | 3.13.12-1 | vulnerable |
| python3.14 (PTS) | forky | 3.14.3-1 | vulnerable |
| sid | 3.14.3-2 | vulnerable |
| python3.9 (PTS) | bullseye | 3.9.2-1 | vulnerable |
| bullseye (security) | 3.9.2-1+deb11u5 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
https://mail.python.org/archives/list/security-announce@python.org/thread/5M7CGUW3XBRY7II4DK43KF7NQQ3TPZ6R/
https://github.com/python/cpython/issues/145986
https://github.com/python/cpython/pull/145987
Fixed by: https://github.com/python/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768 (main)
Fixed by: https://github.com/python/cpython/commit/e0a8a6da90597a924b300debe045cdb4628ee1f3 (3.14)
Fixed by: https://github.com/python/cpython/commit/196edfb06a7458377d4d0f4b3cd41724c1f3bd4a (3.13)