mageMagick has a possible use-after-free write in its PDB decoder
A use-after-free vulnerability exists in the PDB decoder that will use a stale pointer when a memory allocation fails and that could result in a crash or a single zero byte write. ``` ==4033155==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x5589c1971b24 bp 0x7ffdcc7ae2d0 sp 0x7ffdcc7adb20 T0) ``` ``` ==4034812==ERROR: AddressSanitizer: heap-use-after-free on address 0x7f099e9f7800 at pc 0x5605d909ab20 bp 0x7ffe52045b50 sp 0x7ffe52045b40 WRITE of size 1 at 0x7f099e9f7800 thread T0 ```
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-56373US | medium5.3 | — | ||
ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerabil… | ||||
references
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