CVE-2026-56365CWE-401

ImageMagick - Memory Leak in PNG Encoder via MNG Image Writing

Medium · published June 30, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
19.9
In the wild
Unconfirmed
What it is

ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS
0.00284 · 19.9th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2026-06-30T22:08Z
EPSS history
Timeline
  • 30 JUN 22:08Z
    ImageMagick - Memory Leak in PNG Encoder via MNG Image Writing
    cvelistv5