CVE-2026-56376 Details
Description
ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.
A heap use-after-free vulnerability has been identified in ImageMagick versions prior to 7.1.2-15 and 6.9.13-40. This vulnerability occurs in the meta coder, where a memory allocation failure leads to a single byte being written to a stale pointer. Remote attackers can exploit this issue by processing specially crafted image files, causing a denial-of-service condition.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 23, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjm | [email protected] | Third Party Advisory |
| https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coder | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| imagemagick imagemagick | < 6.9.13-40 >= 7.0.0-0, < 7.1.2-15 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 24, 2026 | Initial Analysis | [email protected] |
| Jun 23, 2026 | CVE Modified | CISA-ADP |
| Jun 23, 2026 | New CVE Received | [email protected] |