Use-After-Free in Magick.NET-Q16-AnyCPU (CVE-2026-46523)
Summary
Vulnerability in Magick.NET-Q16-AnyCPU (CVE-2026-46523). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 14.13.1 or later.
Original description
The description as published by the source.
A crafted MSL image can trigger a heap-use-after-free.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A weakness called CVE-2026-46523 was discovered in Magick.NET-Q16-AnyCPU.
In plain terms, it is a use-after-free flaw that often leads to attacker takeover.
Severity is Medium (CVSS 6.2/10). Exploitation requires specific conditions but can cause real harm if successful.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Magick.NET-Q16-AnyCPU CVE-2026-46523".
CVE-2026-46523 (Magick.NET-Q16-AnyCPU). Severity: Medium / CVSSv3 6.2. Category: CWE-416.
Response plan:
- Check the vendor advisory for affected versions and the patched release.
- If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
- If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
- Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
A weakness (CVE-2026-46523) in Magick.NET-Q16-AnyCPU. In plain words, it is a use-after-free flaw that often leads to attacker takeover.
Target versions of Magick.NET-Q16-AnyCPU (see vendor advisory). If running in production, identify exposure immediately.
Severity: Medium (CVSS 6.2/10). Exploitation requires specific conditions but can cause real harm if successful.
Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-416)
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-46523 imagemagick Fixed in: 8:6.9.11.60+dfsg-1.3+deb11u13
- Ubuntu UBUNTU-CVE-2026-46523 imagemagick
References
- advisory nvd.nist.gov
- package github.com
- web github.com
- web github.com
- web access.redhat.com
- web access.redhat.com
- web bugzilla.redhat.com
- web security.access.redhat.com