{"cve":"CVE-2025-8194","nvd":{"published":"2025-07-28T19:15:43.793","modified":"2026-07-31T14:16:45.453","status":"Deferred","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. \n\nThis vulnerability can be mitigated by including the following patch after importing the “tarfile” module:  https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-835"],"references":["https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1","https://github.com/python/cpython/commit/57f5981d6260ed21266e0c26951b8564cc252bc2","https://github.com/python/cpython/commit/7040aa54f14676938970e10c5f74ea93cd56aa38","https://github.com/python/cpython/commit/73f03e4808206f71eb6b92c579505a220942ef19","https://github.com/python/cpython/commit/b4ec17488eedec36d3c05fec127df71c0071f6cb"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:05:46.678065081+00:00"},"epss":{"cve":"CVE-2025-8194","score":0.00761,"percentile":0.5533,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}