CVE-2026-56367: ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decoding
Published Jun 21, 2026
·Updated
ImageMagick before 7.1.2-15 and 6.9.x before 6.9.13-40 contains an integer overflow in the PSB (PSD v2) RLE decoding path (ReadPSDChannelRLE in coders/psd.c) that causes a heap out-of-bounds read on 32-bit builds. Processing a crafted PSB file can lead to information disclosure or a crash.
Affected Software
3 affected components
ImageMagick ImageMagick<7.1.2-15, >=6.9.0<6.9.13-40
ImageMagick ImageMagick>=6.9.0-0<6.9.13-40
ImageMagick ImageMagick>=7.1.2-0<7.1.2-15
Event History
Jun 21, 2026
CVE Published
via MITRE·01:26 PM
Data Sourced
via MITRE·01:26 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-56367?
The severity of CVE-2026-56367 is low, with a score of 3.7.
2
How do I fix CVE-2026-56367?
To fix CVE-2026-56367, upgrade ImageMagick to version 7.1.2-15 or later, or version 6.9.13-40 or later.
3
What are the potential risks of CVE-2026-56367?
CVE-2026-56367 can lead to information disclosure or a crash when processing a crafted PSB file.
4
Is CVE-2026-56367 applicable to 64-bit builds of ImageMagick?
CVE-2026-56367 specifically affects 32-bit builds of ImageMagick.
5
Which ImageMagick versions are affected by CVE-2026-56367?
ImageMagick versions prior to 7.1.2-15 and 6.9.x before 6.9.13-40 are affected by CVE-2026-56367.