PT-2026-21602 · Unknown+2 · Imagemagick+2

Ylwango613 · Published 2026-02-24 · Updated 2026-05-11 · CVE-2026-25796

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions ImageMagick versions prior to 7.1.2-15 ImageMagick versions prior to 6.9.13-40

Description ImageMagick is software used for editing and manipulating digital images. A memory leak exists in the ReadSTEGANOImage() function (coders/stegano.c) due to the watermark Image object not being freed under certain conditions. This leak, approximately 13.5KB per instance, can lead to denial of service.

Recommendations Update ImageMagick to version 7.1.2-15 or later. Update ImageMagick to version 6.9.13-40 or later.

Exploit

Fix

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2026-25796

ECHO-8C4F-FF23-7E4E

GHSA-G2PR-QXJG-7R2W

OESA-2026-1452

OESA-2026-1453

OESA-2026-1454

OESA-2026-1455

OESA-2026-1456

OESA-2026-1457

OPENSUSE-SU-2026:10267-1

OPENSUSE-SU-2026:20337-1

SUSE-SU-2026:0851-1

SUSE-SU-2026:0852-1

SUSE-SU-2026:0853-1

SUSE-SU-2026:0854-1

USN-8127-1

USN-8263-1

Affected Products

Imagemagick

Linuxmint

Ubuntu

References · 169

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25796.json · Exploit
• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-g2pr-qxjg-7r2w · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25988 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-25798 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-25796 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-25637 · Security Note
• https://osv.dev/vulnerability/OESA-2026-1453 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25795 · Security Note
• https://ubuntu.com/security/notices/USN-8127-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8263-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-25794 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25799 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-25985 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-25971 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-24484 · Security Note