CVE-2026-0672
Published: January 22, 2026Last modified: January 28, 2026
Description
When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | python3 | Fixed (3.11.13-r3) |
| 25 LTS | python3 | Fixed (3.12.12-r2) | |
| Stream | python3 | Fixed (3.12.12-r3) | |
| Hardened Containers | 23 LTS | python3 | Fixed (3.11.13-r3) |
| 25 LTS | python3 | Fixed (3.12.12-r2) | |
| Stream | python3 | Fixed (3.12.12-r3) |
References
- https://github.com/python/cpython/commit/62700107418eb2cca3fc88da036a243ea975f172
- https://github.com/python/cpython/commit/712452e6f1d4b9f7f8c4c92ebfcaac1705faa440
- https://github.com/python/cpython/commit/7852d72b653fea0199acf5fc2a84f6f8b84eba8d
- https://github.com/python/cpython/commit/918387e4912d12ffc166c8f2a38df92b6ec756ca
- https://github.com/python/cpython/commit/95746b3a13a985787ef53b977129041971ed7f70
- https://github.com/python/cpython/commit/b1869ff648bbee0717221d09e6deff46617f3e85
- https://github.com/python/cpython/issues/143919
- https://github.com/python/cpython/pull/143920
- https://mail.python.org/archives/list/[email protected]/thread/6VFLQQEIX673KXKFUZXCUNE5AZOGZ45M/