{"id":"CVE-2025-1795","title":"During an address list folding when a separating comma ends up on a folded line and that line is to be unicode-encoded then the separator itself is also unicode-encoded","summary":"During an address list folding when a separating comma ends up on a folded line and that line is to be unicode-encoded then the separator itself is also unicode-encoded. Expected behavior is that the separating comma remains a plan comma…","severity":"none","cwe":["CWE-116"],"published":"2025-02-28","updated":"2026-07-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-1795","references":[{"url":"https://github.com/python/cpython/commit/09fab93c3d857496c0bd162797fab816c311ee48","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/70754d21c288535e86070ca7a6e90dcb670b8593","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/9148b77e0af91cdacaa7fe3dfac09635c3fe9a74","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/a4ef689ce670684ec132204b1cd03720c8e0a03d","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/d4df3c55e4c5513947f907f24766b34d2ae8c090","label":"cna@python.org"},{"url":"https://github.com/python/cpython/issues/100884","label":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/100885","label":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/119099","label":"cna@python.org"},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/MB62IZMEC3UM6SGHP5LET5JX2Y7H4ZUR/","label":"cna@python.org"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00013.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00615,"epssPercentile":0.47817,"ingestedAt":"2026-07-30T23:56:34.324Z","slug":"CVE-2025-1795","body":"## Overview\n\nDuring an address list folding when a separating comma ends up on a folded line and that line is to be unicode-encoded then the separator itself is also unicode-encoded. Expected behavior is that the separating comma remains a plan comma. This can result in the address header being misinterpreted by some mail servers.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}