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pyexpat.c: Unbounded C recursion in conv_content_model causes crash (CVE 2026-4224) #145986
Description
Crash report
What happened?
Please see PR for more information.
CPython versions tested on:
3.10, 3.11, 3.12, 3.13, 3.14, 3.15, CPython main branch
Operating systems tested on:
Linux
Output from running 'python -VV' on the command line:
No response
Linked PRs
- gh-145986: Avoid unbound C recursion in
conv_content_modelinpyexpat.c(CVE 2026-4224) #145987 - [3.14] gh-145986: Avoid unbound C recursion in
conv_content_modelinpyexpat.c(CVE 2026-4224) (GH-145987) #145995 - [3.13] gh-145986: Avoid unbound C recursion in
conv_content_modelinpyexpat.c(CVE 2026-4224) (GH-145987) #145996 - [3.12] gh-145986: Avoid unbound C recursion in
conv_content_modelinpyexpat.c(CVE 2026-4224) (GH-145987) #145999 - [3.11] gh-145986: Avoid unbound C recursion in
conv_content_modelinpyexpat.c(CVE 2026-4224) (GH-145987) #146000 - [3.10] gh-145986: Avoid unbound C recursion in
conv_content_modelinpyexpat.c(CVE 2026-4224) (GH-145987) #146002
Activity
[3.12] pythongh-145986: Avoid unbound C recursion in `conv_content_mo…
[3.12] pythongh-145986: Avoid unbound C recursion in `conv_content_mo…
[3.11] pythongh-145986: Avoid unbound C recursion in `conv_content_mo…
[3.10] pythongh-145986: Avoid unbound C recursion in `conv_content_mo…
[3.14] gh-145986: Avoid unbound C recursion in `conv_content_model` i…
[3.13] gh-145986: Avoid unbound C recursion in `conv_content_model` i…
[3.11] gh-145986: Avoid unbound C recursion in `conv_content_model` i…
[3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` i…
lang/python314: security update to 3.14.4
lang/python314: security update to 3.14.4
lang/python314: security update to 3.14.4
lang/python314: security update to 3.14.4
lang/python314: security update to 3.14.4
lang/python314: Security update to 3.14.4
lang/python314: Security update to 3.14.4
pythongh-145986: Avoid unbound C recursion in `conv_content_model` in…
lang/python314: Security update to 3.14.4
lang/python314: Security update to 3.14.4
[3.12] gh-145986: Avoid unbound C recursion in `conv_content_model` i…
package/python3: security bump to v3.12.14
[CVE-2026-4224] avoid unbound C recursion in `conv_content_model` in …
[CVE-2026-4224] avoid unbound C recursion in `conv_content_model` in …
[CVE-2026-4224] avoid unbound C recursion in `conv_content_model` in …
[CVE-2026-4224] avoid unbound C recursion in `conv_content_model` in …
[CVE-2026-4224] avoid unbound C recursion in `conv_content_model` in …
[CVE-2026-4224] avoid unbound C recursion in `conv_content_model` in …