Dashboard / CVE-2026-86421

CVE-2026-86421

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 63/100
Published: 2026-09-07 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
AT: Present
VC: None
VI: None
VA: Low

Description

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
ImageMagick ImageMagick 7.0.0 < 7.1.2-30
ImageMagick ImageMagick 0 < 6.9.13-55
ImageMagick ImageMagick 7.0.0 < 7.1.2-30
ImageMagick ImageMagick 0 < 6.9.13-55
imagemagick imagemagick < 6.9.13-55

References & Advisories (2)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

6.3 / 10.0 v4.0
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 — Exploitation Probability

0.45%
Raw Score 0.004530
Percentile 39.3%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →

External Links