{"id":"JLSEC-2026-970","summary":"ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images","details":"A heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator.\n\n```\n==3693336==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x511000001280 at pc 0x5602c8b0cc75 bp 0x7ffcb105d510 sp 0x7ffcb105d500\nREAD of size 4 at 0x511000001280 thread T0\n```","modified":"2026-07-30T18:35:28.956471699Z","published":"2026-07-30T16:02:27.435Z","upstream":["CVE-2026-27798","EUVD-2026-8771","GHSA-qpgx-jfcq-r59f"],"database_specific":{"sources":[{"id":"CVE-2026-27798","imported":"2026-07-30T14:08:45.785Z","modified":"2026-06-17T10:27:42.093Z","published":"2026-02-26T00:16:25.193Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27798","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27798","database_specific":{"status":"Analyzed"}},{"url":"https://api.github.com/advisories/GHSA-qpgx-jfcq-r59f","html_url":"https://github.com/advisories/GHSA-qpgx-jfcq-r59f","id":"GHSA-qpgx-jfcq-r59f","imported":"2026-07-30T14:10:39.848Z","modified":"2026-02-27T22:16:47Z","published":"2026-02-25T19:24:05Z"},{"id":"EUVD-2026-8771","imported":"2026-07-30T14:08:55.072Z","modified":"2026-02-26T16:54:57Z","published":"2026-02-25T23:18:33Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-8771","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8771"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738"},{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f"},{"type":"WEB","url":"https://github.com/advisories/GHSA-qpgx-jfcq-r59f"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27798"}],"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-2026-970.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:N/A:H"}],"credits":[{"name":"ylwango613","contact":["https://github.com/ylwango613"],"type":"REPORTER"}]}