openwrt ▾
›
openwrt-25.12 ▾
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vulnerability
›
CVE-2026-4224
Component Overview
Vulnerability Overview
Name
CVE-2026-4224
Source
NVD (
link
)
Debian (
link
)
Description
When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.
CWEs
CWE-674
Published Date
Mar 16, 2026
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://github.com/python/cpython/commit/196edfb06a7458377d4d0f4b3cd41724c1f3bd4a
Patch
https://github.com/python/cpython/commit/642865ddf4b232da1f3b1f7abcfa3254c4bfe785
Patch
https://github.com/python/cpython/commit/af856a7177326ac25d9f66cc6dd28b554d914fee
Patch
https://github.com/python/cpython/commit/e0a8a6da90597a924b300debe045cdb4628ee1f3
Patch
https://github.com/python/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768
Patch
https://github.com/python/cpython/issues/145986
Issue Tracking
https://github.com/python/cpython/pull/145987
Patch
https://mail.python.org/archives/list/security-announce@python.org/thread/5M7CGUW3XBRY7II4DK43KF7NQQ3TPZ6R/
Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/03/16/4
Mailing List
Analysis
#
Affected Component
Analysis
python3
Exploitable
Vulnerability Ratings
#
6
CVSSv4
7.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
python3
buildroot
2025.02.x
3.12.13
Not Affected
python3
buildroot
master
3.14.6
Not Affected
python3
openwrt
master
3.14.5-r1
Not Affected
python3
yocto
kirkstone
3.10.20
Not Affected
python3
yocto
master
3.14.6
Not Affected
python3
yocto
scarthgap
3.12.13
Not Affected