{"id":"CVE-2017-7962","details":"The iwgif_read_image function in imagew-gif.c in libimageworsener.a in ImageWorsener 1.3.0 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted file.","modified":"2026-07-08T16:53:59.567963Z","published":"2017-04-19T15:59:00.240Z","references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201706-06"},{"type":"FIX","url":"https://blogs.gentoo.org/ago/2017/04/17/imageworsener-divide-by-zero-in-iwgif_record_pixel-imagew-gif-c/"},{"type":"FIX","url":"https://github.com/jsummers/imageworsener/commit/ca3356eb49fee03e2eaf6b6aff826988c1122d93"},{"type":"FIX","url":"https://github.com/jsummers/imageworsener/issues/15"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jsummers/imageworsener","events":[{"introduced":"fbfb0d477fb459eaf2f8e0868b87be0739133bef"},{"last_affected":"fbfb0d477fb459eaf2f8e0868b87be0739133bef"},{"fixed":"ca3356eb49fee03e2eaf6b6aff826988c1122d93"}],"database_specific":{"extracted_events":[{"introduced":"1.3.0"},{"last_affected":"1.3.0"}],"source":["CPE_STRING","REFERENCES"],"cpe":"cpe:2.3:a:entropymine:imageworsener:1.3.0:*:*:*:*:*:*:*"}}],"versions":["1.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7962.json","vanir_signatures_modified":"2026-07-08T16:53:59Z","vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://github.com/jsummers/imageworsener/commit/ca3356eb49fee03e2eaf6b6aff826988c1122d93","target":{"file":"src/imagew-gif.c","function":"iwgif_read_image"},"deprecated":false,"digest":{"function_hash":"302851320383472191590232637873704531140","length":1725},"id":"CVE-2017-7962-86e775ca"},{"source":"https://github.com/jsummers/imageworsener/commit/ca3356eb49fee03e2eaf6b6aff826988c1122d93","target":{"file":"src/imagew-gif.c"},"deprecated":false,"digest":{"line_hashes":["128062224009350537018407221712288824803","295319742635030786793730408592017202503","206599785878202985957069950396693650379","246862335577992734676135847314490833824"],"threshold":0.9},"id":"CVE-2017-7962-ba00a213","signature_type":"Line","signature_version":"v1"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}