Medium severity · published Mar 9, 2026
CVE-2026-28686
ImageMagick has a write heap-buffer-overflow in PCL encoder via undersized output buffer
6.8
CVSS
0.1%
EPSS
No
On KEV
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
>= 7.0.0, < 7.1.2-16; < 6.9.13-41 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28686
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28686
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-467j-76j7-5885
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"