CVE-2026-56367
criticalpriority · track · 36EPSS 0.002 · 14 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 1.7–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (39)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0484ImageMagick: Mehrere SchwachstellenDeutsch2026-02-23csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen oder andere nicht näher definierte Angriffe durchzuführen.
- GHSA-273h-m46v-96q4ImageMagick: Integer Overflow in PSB (PSD v2) RLE decoding path causes heap Out of Bounds reads for 32-bit builds2026-02-25ghsa · osvUS
An integer overflow in the PSB (PSD v2) RLE decoding path causes a heap out-of-bounds read on 32-bit builds. This can lead to information disclosure or a crash when processing crafted PSB files. ``` ================================================================= ==3298==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf512eb00 at pc 0xf76760b5 bp 0xffc1dfb8 sp 0xffc1dfa8 READ of size 8 at 0xf512eb00 thread T0 #0 0xf76760b4 in ReadPSDChannelRLE coders/psd.c:1141 ```
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4cnnvd
- https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decodingcnnvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4enisa_euvd
- https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decodingenisa_euvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4Vendor Advisorynvd
- https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decodingThird Party Advisorynvd
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