Medium severity · published Jun 10, 2026
CVE-2026-46523
ImageMagick: Use-After-Free in MSL decoder.
6.2
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
< 7.1.2-23; < 6.9.13-48 · source: vendor, NVD
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 7 Extended Lifecycle Support · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46523
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-46523
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5r4x-w6p5-222q
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:32961
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-46523
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2487743
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46523.json
More from ImageMagick
8.4
CVE-2016-3714
ImageMagick Improper Input Validation Vulnerability
5.5
CVE-2016-3715
ImageMagick Arbitrary File Deletion Vulnerability
5.5
CVE-2016-3718
ImageMagick Server-Side Request Forgery (SSRF) Vulnerability
9.8
CVE-2026-25986
ImageMagick has a heap buffer overflow in YUV 4:2:2 decoder
9.8
CVE-2026-25983
ImageMagick has Use After Free in MSLStartElement in "coders/msl.c"
