CVE-2024-6923

NameCVE-2024-6923
DescriptionThere is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python2.7 (PTS)bullseye2.7.18-8+deb11u1vulnerable
python3.11 (PTS)bookworm3.11.2-6+deb12u2vulnerable
bookworm (security)3.11.2-6+deb12u3vulnerable
python3.12 (PTS)sid, trixie3.12.7-2fixed
python3.13 (PTS)sid, trixie3.13.0-1fixed
python3.9 (PTS)bullseye3.9.2-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python2.7source(unstable)(unfixed)
python3.11source(unstable)(unfixed)
python3.12source(unstable)3.12.5-1
python3.13source(unstable)3.13.0~rc2-1
python3.9source(unstable)(unfixed)

Notes

[bookworm] - python3.11 <postponed> (Minor issue, wait until merged into 3.11 branch)
[bullseye] - python3.9 <no-dsa> (Minor issue)
[bullseye] - python2.7 <ignored> (Unsupported in Bullseye, only included to build a few applications)
https://github.com/python/cpython/issues/121650
https://github.com/python/cpython/pull/122233
https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0 (v3.13.0rc2)
https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7 (v3.12.5)
https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533 (v3.11.10)
https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147 (v3.10.15)
https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6 (v3.9.20)

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