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 a
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-56362
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-563620.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-56362 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for ImageMagick
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- lowCVE-2026-56373: ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that us…nvd · 2026-07-10
- lowCVE-2026-56366: ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when proce…nvd · 2026-07-10
- medium[UPDATE] [medium] ImageMagick: Multiple vulnerabilitiescert-bund · 2026-07-09
- low[UPDATE] [low] ImageMagick: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-09
- lowCVE-2026-56374: ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the FTXT encoder …nvd · 2026-07-08
- medium[UPDATE] [medium] ImageMagick: Multiple vulnerabilitiescert-bund · 2026-07-08
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