{"id":"JLSEC-2026-978","summary":"ImageMagick has stack write buffer overflow in MNG encoder","details":"A stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data.\n\n```\n==2265506==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec4971310 at pc 0x55e671b8a072 bp 0x7ffec4970f70 sp 0x7ffec4970f68\nWRITE of size 1 at 0x7ffec4971310 thread T0\n```","modified":"2026-07-30T18:35:43.494826322Z","published":"2026-07-30T16:02:27.435Z","upstream":["CVE-2026-28690","EUVD-2026-10383","GHSA-7h7q-j33q-hvpf"],"database_specific":{"license":"CC-BY-4.0","sources":[{"imported":"2026-07-30T14:08:46.065Z","modified":"2026-06-17T10:28:54.933Z","published":"2026-03-10T07:43:44.127Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-28690","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28690","database_specific":{"status":"Analyzed"},"id":"CVE-2026-28690"},{"url":"https://api.github.com/advisories/GHSA-7h7q-j33q-hvpf","html_url":"https://github.com/advisories/GHSA-7h7q-j33q-hvpf","id":"GHSA-7h7q-j33q-hvpf","imported":"2026-07-30T14:09:31.688Z","modified":"2026-03-12T14:11:49Z","published":"2026-03-12T14:11:47Z"},{"imported":"2026-07-30T14:08:54.479Z","modified":"2026-03-10T15:58:15Z","published":"2026-03-09T21:39:53Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-10383","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-10383","id":"EUVD-2026-10383"}]},"references":[{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7h7q-j33q-hvpf"},{"type":"WEB","url":"https://github.com/advisories/GHSA-7h7q-j33q-hvpf"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.4"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28690"}],"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-2026-978.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H"}],"credits":[{"name":"zerojackyi","contact":["https://github.com/zerojackyi"],"type":"REPORTER"}]}