{"id":"JLSEC-2026-816","details":"A memory leak (out-of-memory) in gif2rgb in `util/gif2rgb.c` in giflib 5.1.4 allows remote attackers trigger an out of memory exception or denial of service via a gif format file.","modified":"2026-07-30T15:15:05.015691194Z","published":"2026-07-30T15:01:04.165Z","upstream":["CVE-2021-40633"],"database_specific":{"license":"CC-BY-4.0","sources":[{"modified":"2026-06-17T04:07:11.777Z","published":"2022-06-14T11:15:10.470Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-40633","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40633","database_specific":{"status":"Modified"},"id":"CVE-2021-40633","imported":"2026-07-30T14:38:08.713Z"}]},"references":[{"type":"WEB","url":"https://sourceforge.net/p/giflib/bugs/157/"},{"type":"WEB","url":"https://sourceforge.net/p/giflib/bugs/157/"}],"affected":[{"package":{"name":"Giflib_jll","ecosystem":"Julia","purl":"pkg:julia/Giflib_jll?uuid=59f7168a-df46-5410-90c8-f2779963d0ec"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.2.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-816.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:H/Au:N/C:P/I:P/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}