ImageMagick Has Signed Integer Overflow in SIXEL Decoder, Leading to Memory Corruption
A signed integer overflow vulnerability in ImageMagick's SIXEL decoder allows an attacker to trigger memory corruption and denial of service when processing a maliciously crafted SIXEL image file. The vulnerability occurs during buffer reallocation operations where pointer arithmetic using signed 32-bit integers overflows. ``` AddressSanitizer:DEADLYSIGNAL ================================================================= ==143838==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 #0 0x7f379d5adb53 (/lib/x86_64-linux-gnu/libc.so.6+0xc4b53) ```
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Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-25970US | high7.5 | — | ||
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a signed integer overflow vulnerability in… | ||||
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