CVE-2026-56361

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 35/100
Published: 2026-06-30 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Passive
AT: None
VC: None
VI: None
VA: Low

Description

ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
ImageMagick ImageMagick 7.0.0 < 7.1.2-19
ImageMagick ImageMagick 0 < 6.9.13-44
ImageMagick ImageMagick 7.0.0 < 7.1.2-19
ImageMagick ImageMagick 0 < 6.9.13-44
imagemagick imagemagick < 6.9.13-44

Bug Bounty Relevance

35 / 100
✓ No authentication
✓ Low complexity

CVSS Score

4.8 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.13%
Raw Score 0.001280
Percentile 2.4%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →