When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters (\r) the resulting file could be injected with unexpected keys and values if the attacker controls the written value.
Fix
Patch, vendor advisory and mitigation references on NVD 10
- https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528 Patch
- https://github.com/python/cpython/commit/12dcbd74d3563016a8cb8c47e4898889f34f74dd Patch
- https://github.com/python/cpython/commit/274de100bbf4345bd0c23ef5b446722e9e636908 Patch
- https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f Patch
- https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98 Patch
- https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8 Patch
- https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6 Patch
- https://github.com/python/cpython/issues/143927 Issue Tracking, Patch
- https://github.com/python/cpython/pull/151559 Issue Tracking, Patch
- https://mail.python.org/archives/list/[email protected]/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/ Mailing List, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 4.1 · pythonNVD modified 2026-10-25 23:10
Affected (CPE criteria) 12
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha3:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha4:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha5:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha6:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha7:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:alpha8:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:beta1:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:beta2:*:*:*:*:*:*cpe:2.3:a:python:python:3.15.0:beta3:*:*:*:*:*:*
References 10
- https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528 Patch
- https://github.com/python/cpython/commit/12dcbd74d3563016a8cb8c47e4898889f34f74dd Patch
- https://github.com/python/cpython/commit/274de100bbf4345bd0c23ef5b446722e9e636908 Patch
- https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f Patch
- https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98 Patch
- https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8 Patch
- https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6 Patch
- https://github.com/python/cpython/issues/143927 Issue Tracking, Patch
- https://github.com/python/cpython/pull/151559 Issue Tracking, Patch
- https://mail.python.org/archives/list/[email protected]/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/ Mailing List, Vendor Advisory