NULL pointer dereference in Dlemstra Magick.net
CVE-2026-23952
ImageMagick is free and open-source software used for editing and manipulating digital images. Versions 14.10.1 and below have a NULL pointer dereference vulnerability in the MSL (Magick Scripting Language) parser when processing <comment> tags before images are loaded. This can lead to DoS attack due to assertion failure (debug builds) or NULL pointer dereference (release builds). This issue is fixed in version 14.10.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Dlemstra Magick.net
- Imagemagick — versions < 14.10.2
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5vx3-wx4q-6cj8 (Exploit, Vendor Advisory)
- github.com/dlemstra/Magick.NET/releases/tag/14.10.2 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-23952?
- CVE-2026-23952 is a medium-severity vulnerability in Dlemstra Magick.net, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-01-22.
- How severe is CVE-2026-23952?
- Medium severity. CVSS v3 base score is 6.5 out of 10.