Memory Leak Vulnerability in ImageMagick's PNG Encoder Affects Image Processing
CVE-2026-56365

6.3MEDIUM

Key Information:

Vendor

Imagemagick
Status
Imagemagick
Vendor
CVE Published:
30 June 2026

What is CVE-2026-56365?

A vulnerability in ImageMagick's PNG encoder prior to version 7.1.2-19 allows attackers to exploit a memory leak when writing MNG images. By triggering a failure condition in the encoder, an attacker can exhaust system memory resources, potentially leading to a denial of service. It is crucial for users of affected versions to apply the necessary updates and mitigate the risks associated with this vulnerability.

Affected Version(s)

ImageMagick 0 < 7.1.2-19

ImageMagick 0 < 6.9.13-44

ImageMagick 7.1.2-19

References

https://github.com/ImageMagick/ImageMagick/security/advis...
vendor-advisory
https://www.vulncheck.com/advisories/imagemagick-memory-l...
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ylwango613
.