{"id":"JLSEC-2026-942","summary":"ImageMagick: Possible memory leak in ASHLAR encoder","details":"A memory leak in the ASHLAR image writer allows an attacker to exhaust process memory by providing a crafted image that results in small objects that are allocated but never freed.\n\n```\n==880062== Memcheck, a memory error detector\n==880062== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.\n==880062== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info\n==880062== \n==880062== \n==880062== HEAP SUMMARY:\n==880062==     in use at exit: 386,826 bytes in 696 blocks\n==880062==   total heap usage: 30,523 allocs, 29,827 frees, 21,803,756 bytes allocated\n==880062== \n==880062== LEAK SUMMARY:\n==880062==    definitely lost: 3,408 bytes in 3 blocks\n==880062==    indirectly lost: 88,885 bytes in 30 blocks\n==880062==      possibly lost: 140,944 bytes in 383 blocks\n==880062==    still reachable: 151,573 bytes in 259 blocks\n==880062==         suppressed: 0 bytes in 0 blocks\n==880062== Reachable blocks (those to which a pointer was found) are not shown.\n==880062== To see them, rerun with: --leak-check=full --show-leak-kinds=all\n==880062== \n==880062== For lists of detected and suppressed errors, rerun with: -s\n==880062== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)\n```","modified":"2026-07-30T18:35:28.885404559Z","published":"2026-07-30T16:02:27.435Z","upstream":["CVE-2026-25637","EUVD-2026-7450","GHSA-gm37-qx7w-p258"],"database_specific":{"sources":[{"database_specific":{"status":"Analyzed"},"id":"CVE-2026-25637","imported":"2026-07-30T14:08:44.833Z","modified":"2026-06-17T10:24:59.547Z","published":"2026-02-24T01:16:13.623Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-25637","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25637"},{"url":"https://api.github.com/advisories/GHSA-gm37-qx7w-p258","html_url":"https://github.com/advisories/GHSA-gm37-qx7w-p258","id":"GHSA-gm37-qx7w-p258","imported":"2026-07-30T14:09:17.405Z","modified":"2026-02-24T15:30:17Z","published":"2026-02-24T15:30:16Z"},{"url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-7450","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-7450","id":"EUVD-2026-7450","imported":"2026-07-30T14:08:53.133Z","modified":"2026-06-23T15:47:34Z","published":"2026-02-24T00:48:37Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/commit/30ce0e8efbd72fd6b50ed3a10ae22f57c8901137"},{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gm37-qx7w-p258"},{"type":"WEB","url":"https://github.com/advisories/GHSA-gm37-qx7w-p258"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25637"}],"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-2026-942.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}],"credits":[{"name":"ylwango613","contact":["https://github.com/ylwango613"],"type":"REPORTER"}]}