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Ubuntu Security NoticesUSN-8810-1

USN-8810-1: ImageMagick vulnerabilities

Severity not listed 7 CVEs Published Sep 24, 2026 at 12:20 AM UTC

Summary

It was discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service. This issue affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-33535) Kamil Frankowicz discovered that ImageMagick did not correctly handle certain memory operations.

An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-33536)

It was discovered that ImageMagick did not correctly handle certain integer arithmetic. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-34238) Jake Lamberson discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

This issue affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-40310) Junmin Zhu discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service. This issue affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-40311)

It was discovered that ImageMagick did not correctly handle opening certain MSL files. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly cause a denial of service. This issue affected Ubuntu 26.04 LTS. (CVE-2026-40312)

It was discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-56361)

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 7

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.