{"id":"JLSEC-2026-984","summary":"ImageMagick has heap-based buffer overflow in UHDR encoder","details":"A heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write.\n\n```\n================================================================\n==2158399==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x521000039500 at pc 0x562a4a42f968 bp 0x7ffcca4ed6c0 sp 0x7ffcca4ed6b0\nWRITE of size 1 at 0x521000039500 thread T0\n```","modified":"2026-07-30T18:35:32.966330610Z","published":"2026-07-30T16:02:27.435Z","upstream":["CVE-2026-30931","EUVD-2026-10397","GHSA-h95r-c8c7-mrwx"],"database_specific":{"sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30931","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30931","database_specific":{"status":"Analyzed"},"id":"CVE-2026-30931","imported":"2026-07-30T14:08:46.269Z","modified":"2026-06-17T10:33:10.360Z","published":"2026-03-10T07:44:57.303Z"},{"published":"2026-03-12T14:15:44Z","url":"https://api.github.com/advisories/GHSA-h95r-c8c7-mrwx","html_url":"https://github.com/advisories/GHSA-h95r-c8c7-mrwx","id":"GHSA-h95r-c8c7-mrwx","imported":"2026-07-30T14:10:17.755Z","modified":"2026-03-12T14:15:45Z"},{"id":"EUVD-2026-10397","imported":"2026-07-30T14:08:54.529Z","modified":"2026-03-10T14:53:10Z","published":"2026-03-09T21:47:48Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-10397","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-10397"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h95r-c8c7-mrwx"},{"type":"WEB","url":"https://github.com/advisories/GHSA-h95r-c8c7-mrwx"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.4"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30931"}],"affected":[{"package":{"name":"ImageMagick_jll","ecosystem":"Julia","purl":"pkg:julia/ImageMagick_jll?uuid=c73af94c-d91f-53ed-93a7-00f77d67a9d7"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.1.2023+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-984.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"linkeLi0421","contact":["https://github.com/linkeLi0421"],"type":"REPORTER"}]}