VulnerabilityAnalyzed

CVE-2026-56365

ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images.

MEDIUM 6.3EPSS 0.28%

Does this matter?

Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 4.0: 6.3 MEDIUMCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.28% probability · 21th percentile
CISA KEV: Not listed
Weakness: CWE-401
Affected: imagemagick/imagemagick
Source: disclosure@vulncheck.com

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqjVendor Advisory
https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writingThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.