Out-of-bounds Read in Imagemagick
CVE-2026-56362
ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Imagemagick — versions 0, 7.1.2-15, 6.9.13-40
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gq5v-qf8q-fp77 (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-read-in-getpixeli… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-56362?
- CVE-2026-56362 is a low-severity vulnerability in Imagemagick, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2026-07-08.
- How severe is CVE-2026-56362?
- Low severity. CVSS v3 base score is 3.3 out of 10.