{"cve":"CVE-2017-18120","nvd":{"published":"2018-02-02T09:29:00.227","modified":"2026-06-17T01:12:13.713","status":"Modified","description":"A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-415"],"references":["https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878739","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881120","https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909","https://github.com/kohler/gifsicle/issues/117","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878739"],"products":["lcdf:gifsicle"],"source":"nvd","synced_at":"2026-10-19T20:48:34.567387330+00:00"},"epss":{"cve":"CVE-2017-18120","score":0.01707,"percentile":0.77302,"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."]}