by Kastro
Paper/Archive/CVE-2026-56367

CVE-2026-56367

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

EPSS 0.2%CVSS 9.1
critical.is priorityof 100
30
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 14.6.146 × 202.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
ImageMagick7.0.0 – < 7.1.2-157.1.2-15CNA
ImageMagick6.9.0 – < 6.9.13-406.9.13-40CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
VulnCheck (CNA)6.3CVSS: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 (CNA)3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

advisorygithub.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4writeupvulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decoding