CVE-2026-3146 libvips matrixload.c vips_foreign_load_matrix_header null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in libvips matrix loading.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-3146?
CVE-2026-3146 is a medium-severity vulnerability in libvips, published on 25 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in libvips up to 8.18.0. The impacted element is the function vips_foreign_load_matrix_header of the file libvips/foreign/matrixload.c. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.
Which versions are affected by CVE-2026-3146?
It affects 1 product.
Products include Libvips Libvips.
How do I fix CVE-2026-3146?
Apply the vendor's patch.
Is CVE-2026-3146 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3146 exists.
Other vulnerabilities in libvips
- CVE-2019-17534 Use after free in n/a
- CVE-2026-33327 Possible integer overflow leading to potential heap-based buffer overflow
- CVE-2026-35591 Possible heap-based buffer overflow when decoding TIFF image containing well-crafted tile
- CVE-2026-33328 Possible integer overflow on 32-bit systems when reading GIF images
- CVE-2026-35590 Possible out-of-bounds read leading to crash when decoding well-crafted EXIF metadata
Sources
Also known as DEBIAN-CVE-2026-3146, GHSA-v5rp-3mcx-fr73, UBUNTU-CVE-2026-3146.