{"id":"CVE-2025-64031","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-64031","generatedAt":"2026-10-28T05:27:53.775Z","title":"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.","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.)","published":"2026-09-14T01:16:26.000Z","lastModified":"2026-10-14T19:10:00.000Z","status":"Awaiting Analysis","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":2.5,"severity":"LOW","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L"},"cwe":["CWE-122"],"affected":[],"epss":{"score":0.0016,"percentile":0.05176,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gist.github.com/ttuurrnn/1365a4a9b1c3d5826a3a9bbe111f26b8","source":"cve@mitre.org"},{"url":"https://github.com/libarchive/libarchive/blob/master/libarchive/archive_write_add_filter_gzip.c","source":"cve@mitre.org"},{"url":"https://github.com/libarchive/libarchive/pull/2734","source":"cve@mitre.org"},{"url":"https://github.com/libarchive/libarchive/pull/2734/commits","source":"cve@mitre.org"},{"url":"https://github.com/libarchive/libarchive/pull/2734/files","source":"cve@mitre.org"},{"url":"https://gist.github.com/ttuurrnn/1365a4a9b1c3d5826a3a9bbe111f26b8","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-64031","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}