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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-0864US | medium5.5 | — | ||
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 u… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528FIX
- https://github.com/python/cpython/commit/12dcbd74d3563016a8cb8c47e4898889f34f74ddFIX
- https://github.com/python/cpython/commit/274de100bbf4345bd0c23ef5b446722e9e636908FIX
- https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851fFIX
- https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98FIX
- https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8FIX
- https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6FIX
- https://github.com/python/cpython/issues/143927REPORT
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