medium5.5
CVE-2026-0864
When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters (\r) the resulting file cou…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Python | Python | before 3.10.21 from 3.11.0 before 3.11.16 from 3.12.0 before 3.12.14 from 3.13.0 before 3.13.15 from 3.14.0 before 3.14.7 Version 3.15.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528
- https://github.com/python/cpython/commit/12dcbd74d3563016a8cb8c47e4898889f34f74dd
- https://github.com/python/cpython/commit/274de100bbf4345bd0c23ef5b446722e9e636908
- https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f
- https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98
- https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8
- https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6
- https://github.com/python/cpython/issues/143927
- https://github.com/python/cpython/pull/151559
- https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/