Source: python3.14 Version: 3.14.2-1 Severity: important Tags: security upstream Forwarded: https://github.com/python/cpython/issues/144125 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]> Control: clone -1 -2 -3 Control: reassign -2 src:python3.13 3.13.11-1 Control: retitle -2 python3.13: CVE-2026-1299 Control: reassign -3 src:pypy3 7.3.20+dfsg-4 Control: retitle -3 pypy3: CVE-2026-1299
Hi, The following vulnerability was published for python. CVE-2026-1299[0]: | The email module, specifically the "BytesGenerator" class, didn’t | properly quote newlines for email headers when serializing an email | message allowing for header injection when an email is serialized. | This is only applicable if using "LiteralHeader" writing headers | that don't respect email folding rules, the new behavior will reject | the incorrectly folded headers in "BytesGenerator". If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-1299 https://www.cve.org/CVERecord?id=CVE-2026-1299 [1] https://github.com/python/cpython/issues/144125 [2] https://mail.python.org/archives/list/[email protected]/thread/6ZZULGALJTITEAGEXLDJE2C6FORDXPBT/ Please adjust the affected versions in the BTS as needed. Regards, Salvatore

