Detections
Analytics
CVE-2025-8194
high
Description
There is a defect in the CPython “tarfile” module affecting the “TarFile” extraction and entry enumeration APIs. The tar implementation would process tar archives with negative offsets without error, resulting in an infinite loop and deadlock during the parsing of maliciously crafted tar archives. This vulnerability can be mitigated by including the following patch after importing the “tarfile” module: https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1
References
https://mail.python.org/archives/list/[email protected]/thread/ZULLF3IZ726XP5EY7XJ7YIN3K5MDYR2D/
https://github.com/python/cpython/pull/137027
https://github.com/python/cpython/issues/130577
https://github.com/python/cpython/commit/cdae923ffe187d6ef916c0f665a31249619193fe
https://github.com/python/cpython/commit/7040aa54f14676938970e10c5f74ea93cd56aa38
https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1