{"id":"CVE-2026-25799","aliases":["GHSA-543g-8grm-9cw6"],"url":"https://o3.security/vulnerability/CVE-2026-25799","summary":"ImageMagick has Division-by-Zero in YUV sampling factor validation, which leads to crash","details":"A logic error in YUV sampling factor validation allows an invalid sampling factor to bypass checks and trigger a division-by-zero during image loading, resulting in a reliable denial-of-service.\n\n```\ncoders/yuv.c:210:47: runtime error: division by zero\nAddressSanitizer:DEADLYSIGNAL\n=================================================================\n==3543373==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x55deeb4d723c bp 0x7fffc28d34d0 sp 0x7fffc28d3320 T0)\n    #0 0x55deeb4d723c in ReadYUVImage coders/yuv.c:210\n    #1 0x55deeb751dff in ReadImage MagickCore/constitute.c:743\n    #2 0x55deeb756374 in ReadImages MagickCore/constitute.c:1082\n    #3 0x55deec682375 in CLINoImageOperator MagickWand/operation.c:4959\n    #4 0x55deec6887ed in CLIOption MagickWand/operation.c:5473\n    #5 0x55deec32843b in ProcessCommandOptions MagickWand/magick-cli.c:653\n    #6 0x55deec32b99b in MagickImageCommand MagickWand/magick-cli.c:1392\n    #7 0x55deec324d58 in MagickCommandGenesis MagickWand/magick-cli.c:177\n    #8 0x55deead82519 in MagickMain utilities/magick.c:162\n    #9 0x55deead828be in main utilities/magick.c:193\n    #10 0x7fb90807fd8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58\n    #11 0x7fb90807fe3f in __libc_start_main_impl ../csu/libc-start.c:392\n    #12 0x55deead81974 in _start (/data/ylwang/LargeScan/targets/ImageMagick/utilities/magick+0x22fb974)\n\nAddressSanitizer can not provide additional info.\nSUMMARY: AddressSanitizer: UNKNOWN SIGNAL coders/yuv.c:210 in ReadYUVImage\n==3543373==ABORTING\n```","published":"2026-02-24T01:05:39.405Z","modified":"2026-08-12T03:51:40.714415029Z","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":null,"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-x64","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/49000e7298fbfdd759ac2c46f740f40c2e9b7452","label":"ImageMagick/ImageMagick@49000e7"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25799.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-543g-8grm-9cw6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25799"},{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/commit/49000e7298fbfdd759ac2c46f740f40c2e9b7452"},{"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":"2026-08-12T03:51:40.714415029Z"}}