{"cve":"CVE-2017-1000421","nvd":{"published":"2018-01-02T19:29:00.300","modified":"2026-06-17T00:59:08.877","status":"Modified","description":"Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-416"],"references":["https://github.com/kohler/gifsicle/issues/114","https://lists.debian.org/debian-lts-announce/2018/01/msg00006.html","https://www.debian.org/security/2018/dsa-4084","https://github.com/kohler/gifsicle/issues/114","https://lists.debian.org/debian-lts-announce/2018/01/msg00006.html"],"products":["debian:debian_linux","lcdf:gifsicle"],"source":"nvd","synced_at":"2026-10-19T20:47:56.471723566+00:00"},"epss":{"cve":"CVE-2017-1000421","score":0.02688,"percentile":0.85867,"date":"2026-10-31"},"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."]}