High severity7.5NVD Advisory· Published Jun 3, 2025· Updated Apr 15, 2026
CVE-2025-4435
CVE-2025-4435
Description
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.
Patches
819de092debb34633f3f497b19c1110ef6652aa9eb5f757cedd8f187d07463612d8f5174128463dba112a9e0ac76d96cfVulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
11- github.com/python/cpython/commit/19de092debb3d7e832e5672cc2f7b788d35951danvd
- github.com/python/cpython/commit/28463dba112af719df1e8b0391c46787ad756dd9nvd
- github.com/python/cpython/commit/3612d8f51741b11f36f8fb0494d79086bac9390anvd
- github.com/python/cpython/commit/4633f3f497b1ff70e4a35b6fe2c907cbe2d4cb2envd
- github.com/python/cpython/commit/9c1110ef6652687d7c55f590f909720eddde965anvd
- github.com/python/cpython/commit/9e0ac76d96cf80b49055f6d6b9a6763fb9215c2anvd
- github.com/python/cpython/commit/aa9eb5f757ceff461e6e996f12c89e5d9b583b01nvd
- github.com/python/cpython/commit/dd8f187d0746da151e0025c51680979ac5b4cfb1nvd
- github.com/python/cpython/issues/135034nvd
- github.com/python/cpython/pull/135037nvd
- mail.python.org/archives/list/security-announce@python.org/thread/MAXIJJCUUMCL7ATZNDVEGGHUMQMUUKLG/nvd
News mentions
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