Bug 2487743 (CVE-2026-46523)

Summary: CVE-2026-46523 ImageMagick: ImageMagick: Denial of Service via crafted MSL image leading to heap-use-after-free
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in ImageMagick, a free and open-source software used for editing and manipulating digital images. A remote attacker could exploit this vulnerability by providing a specially crafted MSL (Magick Scripting Language) image. Processing this malicious image could trigger a heap-use-after-free error, leading to a denial of service (DoS) condition.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2487775, 2487776    
Bug Blocks:    

Description OSIDB Bzimport 2026-06-10 22:01:49 UTC
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2.23 and 6.9.13-48, a crafted MSL image can trigger a heap-use-after-free. Versions 7.1.2.23 and 6.9.13-48 fix the issue.

Comment 2 errata-xmlrpc 2026-06-29 09:46:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:32961 https://access.redhat.com/errata/RHSA-2026:32961