{"id":"PSF-2025-8","details":"When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped.","aliases":["BIT-libpython-2025-4435","BIT-python-2025-4435","BIT-python-min-2025-4435","CVE-2025-4435"],"modified":"2025-09-19T01:46:35.778003Z","published":"2025-06-03T12:59:06Z","database_specific":{"cwe_ids":[]},"references":[{"type":"REPORT","url":"https://github.com/python/cpython/issues/135034"},{"type":"WEB","url":"https://github.com/python/cpython/pull/135037"},{"type":"ADVISORY","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/MAXIJJCUUMCL7ATZNDVEGGHUMQMUUKLG/"},{"type":"FIX","url":"https://github.com/python/cpython/commit/3612d8f51741b11f36f8fb0494d79086bac9390a"},{"type":"FIX","url":"https://github.com/python/cpython/commit/9e0ac76d96cf80b49055f6d6b9a6763fb9215c2a"},{"type":"FIX","url":"https://github.com/python/cpython/commit/19de092debb3d7e832e5672cc2f7b788d35951da"},{"type":"FIX","url":"https://github.com/python/cpython/commit/aa9eb5f757ceff461e6e996f12c89e5d9b583b01"},{"type":"FIX","url":"https://github.com/python/cpython/commit/28463dba112af719df1e8b0391c46787ad756dd9"},{"type":"FIX","url":"https://github.com/python/cpython/commit/4633f3f497b1ff70e4a35b6fe2c907cbe2d4cb2e"},{"type":"FIX","url":"https://github.com/python/cpython/commit/9c1110ef6652687d7c55f590f909720eddde965a"},{"type":"FIX","url":"https://github.com/python/cpython/commit/dd8f187d0746da151e0025c51680979ac5b4cfb1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"0"},{"fixed":"3612d8f51741b11f36f8fb0494d79086bac9390a"},{"fixed":"9e0ac76d96cf80b49055f6d6b9a6763fb9215c2a"},{"fixed":"19de092debb3d7e832e5672cc2f7b788d35951da"},{"fixed":"aa9eb5f757ceff461e6e996f12c89e5d9b583b01"},{"fixed":"28463dba112af719df1e8b0391c46787ad756dd9"},{"fixed":"4633f3f497b1ff70e4a35b6fe2c907cbe2d4cb2e"},{"fixed":"9c1110ef6652687d7c55f590f909720eddde965a"},{"fixed":"dd8f187d0746da151e0025c51680979ac5b4cfb1"}]}],"versions":["2.5","3.2","v0.9.8","v0.9.9","v1.0.1","v1.0.2","v1.1","v1.1.1","v1.2","v1.2b1","v1.2b2","v1.2b3","v1.2b4","v1.3","v1.3b1","v1.4","v1.4b1","v1.4b2","v1.4b3","v1.5","v1.5.1","v1.5.2","v1.5.2a1","v1.5.2a2","v1.5.2b1","v1.5.2b2","v1.5.2c1","v1.5a1","v1.5a2","v1.5a3","v1.5a4","v1.5b1","v1.5b2","v1.6a1","v1.6a2","v2.0","v2.0b1","v2.0b2","v2.0c1","v2.1","v2.1a1","v2.1a2","v2.1b1","v2.1b2","v2.1c1","v2.1c2","v2.2a3","v2.3c1","v2.3c2","v2.4","v2.4a1","v2.4a2","v2.4a3","v2.4b1","v2.4b2","v2.4c1","v2.5","v2.5.1","v2.5.1c1","v2.5.2","v2.5.2c1","v2.5.3","v2.5.3c1","v2.5.4","v2.5.5","v2.5.5c1","v2.5.5c2","v2.5.6","v2.5.6c1","v2.5a0","v2.5a1","v2.5a2","v2.5b1","v2.5b2","v2.5b3","v2.5c1","v2.5c2","v2.6","v2.6.1","v2.6.2","v2.6.2c1","v2.6.3","v2.6.3rc1","v2.6.4","v2.6.4rc1","v2.6.4rc2","v2.6.5","v2.6.5rc1","v2.6.5rc2","v2.6.6","v2.6.6rc1","v2.6.6rc2","v2.6.7","v2.6.8","v2.6.8rc1","v2.6.8rc2","v2.6a1","v2.6a2","v2.6a3","v2.6b1","v2.6b2","v2.6b3","v2.6rc1","v2.6rc2","v2.7","v2.7.1","v2.7.1rc1","v2.7.2","v2.7.2rc1","v2.7.3","v2.7.3rc1","v2.7.3rc2","v2.7.4rc1","v2.7a1","v2.7a2","v2.7a3","v2.7a4","v2.7b1","v2.7b2","v2.7rc1","v2.7rc2","v3.0a1","v3.0a2","v3.0a3","v3.0a4","v3.0a5","v3.0b1","v3.0b2","v3.0b3","v3.0rc1","v3.0rc2","v3.0rc3","v3.1","v3.1.1","v3.1.1rc1","v3.1.2","v3.1.2rc1","v3.1.3","v3.1.3rc1","v3.1.4","v3.1.4rc1","v3.1.5","v3.1.5rc1","v3.1.5rc2","v3.10.0","v3.10.0a1","v3.10.0a2","v3.10.0a3","v3.10.0a4","v3.10.0a5","v3.10.0a6","v3.10.0a7","v3.10.0b1","v3.10.0b2","v3.10.0b3","v3.10.0b4","v3.10.0rc1","v3.10.0rc2","v3.10.1","v3.10.10","v3.10.11","v3.10.12","v3.10.13","v3.10.14","v3.10.15","v3.10.16","v3.10.17","v3.10.2","v3.10.3","v3.10.4","v3.10.5","v3.10.6","v3.10.7","v3.10.8","v3.10.9","v3.11.0","v3.11.0a1","v3.11.0a2","v3.11.0a3","v3.11.0a4","v3.11.0a5","v3.11.0a6","v3.11.0a7","v3.11.0b1","v3.11.0b2","v3.11.0b3","v3.11.0b4","v3.11.0b5","v3.11.0rc1","v3.11.0rc2","v3.11.1","v3.11.10","v3.11.11","v3.11.12","v3.11.2","v3.11.3","v3.11.4","v3.11.5","v3.11.6","v3.11.7","v3.11.8","v3.11.9","v3.12.0","v3.12.0a1","v3.12.0a2","v3.12.0a3","v3.12.0a4","v3.12.0a5","v3.12.0a6","v3.12.0a7","v3.12.0b1","v3.12.0b2","v3.12.0b3","v3.12.0b4","v3.12.0rc1","v3.12.0rc2","v3.12.0rc3","v3.12.1","v3.12.10","v3.12.2","v3.12.3","v3.12.4","v3.12.5","v3.12.6","v3.12.7","v3.12.8","v3.12.9","v3.13.0","v3.13.0a1","v3.13.0a2","v3.13.0a3","v3.13.0a4","v3.13.0a5","v3.13.0a6","v3.13.0b1","v3.13.0b2","v3.13.0b3","v3.13.0b4","v3.13.0rc1","v3.13.0rc2","v3.13.0rc3","v3.13.1","v3.13.2","v3.13.3","v3.14.0a1","v3.14.0a2","v3.14.0a3","v3.14.0a4","v3.14.0a5","v3.14.0a6","v3.14.0a7","v3.14.0b1","v3.14.0b2","v3.1a1","v3.1a2","v3.1b1","v3.1rc1","v3.1rc2","v3.2","v3.2.1","v3.2.1b1","v3.2.1rc1","v3.2.1rc2","v3.2.2","v3.2.2rc1","v3.2.3","v3.2.3rc1","v3.2.3rc2","v3.2.4","v3.2.4rc1","v3.2.5","v3.2.6","v3.2.6rc1","v3.2a1","v3.2a2","v3.2a3","v3.2a4","v3.2b1","v3.2b2","v3.2rc1","v3.2rc2","v3.2rc3","v3.3.0","v3.3.0a1","v3.3.0a2","v3.3.0a3","v3.3.0a4","v3.3.0b1","v3.3.0b2","v3.3.0rc1","v3.3.0rc2","v3.3.0rc3","v3.3.1","v3.3.1rc1","v3.3.2","v3.3.3","v3.3.3rc1","v3.3.3rc2","v3.3.4","v3.3.4rc1","v3.3.5","v3.3.5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