CVE-2026-56366

ImageMagick - Memory Leak in META Reader APP1JPEG Error Path

Published Jul 10, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4680-1 imagemagick security update
Ubuntu USN Ubuntu USN USN-8739-1 ImageMagick vulnerabilities
Ubuntu USN Ubuntu USN USN-8739-2 ImageMagick vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.
Title ImageMagick - Memory Leak in META Reader APP1JPEG Error Path
First Time appeared Imagemagick
Imagemagick imagemagick
Weaknesses CWE-401
CPEs cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Vendors & Products Imagemagick
Imagemagick imagemagick
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 4.8, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 29, 2026, 9:15 PM
Reserved
Jun 21, 2026, 2:05 AM
Status
Analyzed
Published
Jul 10, 2026, 3:16 PM
Modified
Oct 29, 2026, 9:17 PM
Severity
Low
Public date
Jul 10, 2026, 1:57 PM