{"id":"CVE-2026-25969","aliases":["GHSA-xgm3-v4r9-wfgm"],"url":"https://o3.security/vulnerability/CVE-2026-25969","summary":"ImageMagick has Memory Leak in coders/ashlar.c","details":"Memory leak exists in `coders/ashlar.c`. The `WriteASHLARImage` allocates a structure.  However, when an exception is thrown, the allocated memory is not properly released, resulting in a potential memory leak.\n\n```\n```bash\n==78968== Memcheck, a memory error detector\n==78968== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.\n==78968== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info\n==78968== \n==78968== HEAP SUMMARY:\n==78968==     in use at exit: 17,232 bytes in 4 blocks\n==78968==   total heap usage: 4,781 allocs, 4,777 frees, 785,472 bytes allocated\n```","published":"2026-02-24T01:33:00.362Z","modified":"2026-08-12T03:51:25.074282964Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.0036,"percentile":0.29606,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Magick.NET-Q16-AnyCPU","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-AnyCPU","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-arm64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-x64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-arm64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x86","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-arm64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-x64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-x86","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-arm64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x86","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-AnyCPU","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-arm64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-x64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-arm64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x64","fixedVersion":"14.10.3"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x86","fixedVersion":"14.10.3"}],"fix":{"url":"https://github.com/ImageMagick/ImageMagick/commit/a253d1b124ebdcc2832daac6f9a35c362635b40e","label":"ImageMagick/ImageMagick@a253d1b"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25969.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-xgm3-v4r9-wfgm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25969"},{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/commit/a253d1b124ebdcc2832daac6f9a35c362635b40e"},{"type":"PACKAGE","url":"https://github.com/ImageMagick/ImageMagick"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:25.074282964Z"}}