ImageMagick has memory leak of watermark Image object in ReadSTEGANOImage on multiple error/early-return paths

概要

Direct leak of 13512 byte(s) in 1 object(s) allocated from:
    #0 0x7f5c11e27887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
    #1 0x55cdc38f65c4 in AcquireMagickMemory MagickCore/memory.c:536
    #2 0x55cdc38f65eb in AcquireCriticalMemory MagickCore/memory.c:612
    #3 0x55cdc3899e91 in AcquireImage MagickCore/image.c:154

参考情報

• ImageMagick/ImageMagick security advisory · WEB
• nvd.nist.gov/vuln/detail/CVE-2026-25796 · ADVISORY
• ImageMagick/ImageMagick commit 93ad259 · WEB
• ImageMagick/ImageMagick · PACKAGE
• dlemstra/Magick.NET release 14.10.3 · WEB

Magick.NET-Q16-AnyCPU のその他の脆弱性

• CVE-2026-62946中 4.7ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2…
• CVE-2026-62363中 5.0ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 7.1.2-27, a heap buffer …
• CVE-2026-62343中 4.7ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 6.9.13-51 and 7.0.1-0 an…
• CVE-2026-66011低 3.3ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Att…
• GHSA-hc76-7mpc-qjqh中 5.7ImageMagick: Code injection in HTML encoder due to incomplete fix of CVE-2026-25797