ImageMagick has a possible heap Use After Free vulnerability in its meta coder
A heap Use After Free vulnerability exists in the meta coder when an allocation fails and a single byte is written to a stale pointer. ``` ==535852==ERROR: AddressSanitizer: heap-use-after-free on address 0x5210000088ff at pc 0x5581bacac14d bp 0x7ffdf667edf0 sp 0x7ffdf667ede0 WRITE of size 1 at 0x5210000088ff thread T0 ```
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-56376US | low3.3 | — | ||
ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attack… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/ImageMagick/ImageMagickPACKAGE
- https://github.com/ImageMagick/ImageMagick/commit/f5049954f12c6fcf090a776767526d2a4708d58bWEB
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjmWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-56376ADVISORY
- https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coderWEB
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