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ImageMagick EUVDEUVD-2026-41120

| CVE-2026-55510 MEDIUM
Use After Free (CWE-416)
2026-07-01 GitHub_M
Memory Corruption Use After Free Information Disclosure Imagemagick
5.5
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vuln.today AI
5.5 MEDIUM

Local file-based trigger (AV:L), no privileges needed to run identify (PR:N), user must open crafted file (UI:R), only crash observed so A:H with C:N/I:N.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Patch available
Jul 01, 2026 - 20:02 EUVD
Analysis Generated
Jul 01, 2026 - 19:36 vuln.today

DescriptionCVE.org

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, when identifying an image with a crafted 8BIM profile with a specific format string a use-after-free will occur. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

AnalysisAI

Use-after-free in ImageMagick's 8BIM profile parser crashes the process when a specially crafted image is identified, affecting all releases prior to 6.9.13-51 (legacy branch) and 7.1.2-26 (current branch). The vulnerability is triggered by a specific format string embedded in the 8BIM metadata profile, causing memory corruption that results in a denial-of-service condition. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft image with malicious 8BIM format string
Delivery
Deliver file to target system or upload path
Exploit
User or pipeline invokes ImageMagick identify/read
Execution
Parser dereferences freed memory
Impact
Process crashes causing denial of service
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Vulnerability AssessmentAI

Exploitation The vulnerability is triggered when ImageMagick processes an image file containing a crafted 8BIM profile block with a specific format string - the file must be actively opened or identified by an ImageMagick command or library call. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 5.5 (Medium) reflects a local attack vector (AV:L), low complexity (AC:L), no required privileges (PR:N), mandatory user interaction (UI:R), unchanged scope (S:U), and high availability impact with no confidentiality or integrity impact (C:N/I:N/A:H). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a malicious PSD or TIFF image embedding a 8BIM profile block containing a format string payload, then delivers this file to a target - for example, via a web upload form, email attachment, or shared storage. When a user or automated pipeline runs 'identify' or any ImageMagick read operation against the file, the format string triggers a use-after-free in the profile parsing code, crashing the process and causing a denial-of-service. …
Remediation Upgrade ImageMagick to version 6.9.13-51 or later on the legacy branch, or to 7.1.2-26 or later on the current branch, as confirmed by the vendor in GHSA-ff5c-8x9r-8qcw (https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-ff5c-8x9r-8qcw). … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-41120 vulnerability details – vuln.today
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