CVE-2026-56373

ImageMagick - Use-After-Free Write in PDB Decoder

Published Jul 10, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory.

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 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory.
Title ImageMagick - Use-After-Free Write in PDB Decoder
First Time appeared Imagemagick
Imagemagick imagemagick
Weaknesses CWE-416
CPEs cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Vendors & Products Imagemagick
Imagemagick imagemagick
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.3, 'vector': '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'}

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
Moderate
Public date
Jul 10, 2026, 1:57 PM