CVE-2026-9503CWE-404CWE-476

GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference

Medium · published May 25, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwg_next_entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 8f03865f37f5d4ffd616fef802acc980be54d300. Upgrading the affected component is advised.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00160 · 4.8th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2026-05-25T21:00Z
EPSS history
Timeline
  • 25 MAY 21:00Z
    GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference
    cvelistv5