CVE-2026-56362CWE-125

ImageMagick - Heap-buffer-overflow Read in GetPixelIndex via OpenPixelCache Metadata Desynchronization

Low · published July 8, 2026

CVSS v4.0
2.1
EPSS
0%
Percentile
8.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
2.1 · LOW
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS
0.00189 · 8.0th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-07-08T13:49Z
EPSS history
Timeline
  • 08 JUL 13:49Z
    ImageMagick - Heap-buffer-overflow Read in GetPixelIndex via OpenPixelCache Metadata Desynchronization
    cvelistv5