{"cve":"CVE-2025-64031","nvd":{"published":"2026-09-14T01:16:26.190","modified":"2026-10-14T19:10:00.297","status":"Awaiting Analysis","description":"libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archive_compressor_gzip_open in archive_write_add_filter_gzip.c, aka GHSA-92wx-p669-8gr9. This relates to bsdtar. Exploitation envisions a marginally plausible scenario in which original-filename is obtained from an untrusted party. (original-filename is not derived from the input data.)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","score":2.5},"cwes":["CWE-122"],"references":["https://gist.github.com/ttuurrnn/1365a4a9b1c3d5826a3a9bbe111f26b8","https://github.com/libarchive/libarchive/blob/master/libarchive/archive_write_add_filter_gzip.c","https://github.com/libarchive/libarchive/pull/2734","https://github.com/libarchive/libarchive/pull/2734/commits","https://github.com/libarchive/libarchive/pull/2734/files"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2025-64031","score":0.0016,"percentile":0.05178,"date":"2026-10-25"},"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."]}