CVE-2026-56367

LOW

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

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory third-party-advisory
VulnCheck Advisory: ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decoding
https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decoding
Vendor Advisory vendor-advisory
GHSA Advisory GHSA-273h-m46v-96q4
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4

Scores

CVSS v3 3.7
EPSS 0.0019
EPSS Percentile 8.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (6)
ImageMagick/ImageMagick < 6.9.13-40
ImageMagick/ImageMagick < 7.1.2-15
ImageMagick/ImageMagick 6.9.0 - 6.9.13-40
ImageMagick/ImageMagick 6.9.13-40
ImageMagick/ImageMagick 7.0.0 - 7.1.2-15
ImageMagick/ImageMagick 7.1.2-15
Published Jun 21, 2026
Tracked Since Jun 21, 2026