PT-2026-76349 · Julia · Imagemagick Jll

Published

2026-07-30

·

Updated

2026-07-30

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Magick fails to check for circular references between two MSLs, leading to a stack overflow.

Details

After reading a.msl using magick, the following is displayed:
MSLStartElement -> ReadImage -> ReadMSLImage -> ProcessMSLScript -> xmlParseChunk -> xmlParseTryOrFinish -> MSLStartElement
bash
AddressSanitizer:DEADLYSIGNAL
=================================================================
==114345==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x72509fc7d804 bp 0x7ffd6598b390 sp 0x7ffd6598ab20 T0)
  #0 0x72509fc7d804 in strlen ../../../../src/libsanitizer/sanitizer common/sanitizer common interceptors.inc:388
[...]

Fix

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Related Identifiers

JLSEC-2026-958

Affected Products

Imagemagick Jll