CVE-2026-56367

ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decoding

State: Published
Severity: 6.3 Medium
Published: Jun 21, 2026
Updated: Jun 22, 2026
Reserved: Jun 21, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N	VulnCheck

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
ImageMagickImageMagick	7.0.0 to before 7.1.2-15Affected 7.1.2-15Not affected
ImageMagickImageMagick	6.9.0 to before 6.9.13-40Affected 6.9.13-40Not affected

References

GHSA Advisory GHSA-273h-m46v-96q4vendor-advisory
VulnCheck Advisory: ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decodingthird-party-advisory

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