ImageMagick has heap use-after-free in the MSL encoder
A heap-use-after-free vulnerability exists in the MSL encoder, where a cloned image is destroyed twice. The MSL coder does not support writing MSL so the write capability has been removed. ``` SUMMARY: AddressSanitizer: heap-use-after-free MagickCore/image.c:1195 in DestroyImage Shadow bytes around the buggy address: 0x0a4e80007450: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0a4e80007460: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0a4e80007470: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0a4e80007480: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0a4e80007490: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd =>0x0a4e800074a0: fd fd fd fd fd fd fd fd fd fd[fd]fd fd fd fd fd 0x0a4e800074b0: fd fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa 0x0a4e800074c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0a4e800074d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0a4e800074e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0a4e800074f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa ```
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-28688US | medium5.3 | — | ||
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a heap-use-after-free vulnerability exists… | ||||
references
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