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CVE-2026-1299

N/A

Description

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".

Details CVE

Score CVSS v3.1N/A

Publie1/23/2026

Derniere modification2/13/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-93

References

https://cve.org/CVERecord?id=CVE-2024-6923(cna@python.org)

https://github.com/python/cpython/commit/052e55e7d44718fe46cbba0ca995cb8fcc359413(cna@python.org)

https://github.com/python/cpython/commit/0a925ab591c45d6638f37b5e57796f36fa0e56d8(cna@python.org)

https://github.com/python/cpython/commit/7877fe424415bc4a13045e62a90a7277413d8cb9(cna@python.org)

https://github.com/python/cpython/commit/842ce19a0c0b58d61591e8f6a708c38db1fb94e4(cna@python.org)

https://github.com/python/cpython/commit/8cdf6204f4ae821f32993f8fc6bad0d318f95f36(cna@python.org)

https://github.com/python/cpython/commit/e417f05ad77a4c30ddc07f99e90fc0cef43e831a(cna@python.org)

https://github.com/python/cpython/issues/144125(cna@python.org)

https://github.com/python/cpython/pull/144126(cna@python.org)

https://mail.python.org/archives/list/security-announce@python.org/thread/6ZZULGALJTITEAGEXLDJE2C6FORDXPBT/(cna@python.org)

Correlations IOC

Aucune correlation enregistree

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