ImageMagick has has an off-by-one origin validation in allows out-of-bounds read in morphology processing
An incorrect morphology would allow an out of bounds read of a single pixel. ``` ==1200284==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5100000002d0 at pc 0x59e28e60c27a bp 0x7fff047fd8e0 sp 0x7fff047fd8d0 READ of size 4 at 0x5100000002d0 thread T0 ```
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-56361US | high7.1 | — | ||
ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing… | ||||
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references
External citations — patches, advisories, analysis.
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