CVE-2026-15184 GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference

Medium 4.8 Published Updated

A local attacker can cause a denial of service via null pointer dereference in GNU LibreDWG by manipulating DWG file arguments.

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-2026-15184?

CVE-2026-15184 is a medium-severity vulnerability in GNU LibreDWG, published on 9 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in GNU LibreDWG up to 0.13.4. The impacted element is the function dwg_next_entity of the file src/dwg.c of the component DWG File Handler. Performing a manipulation of the argument next_obj results in null pointer dereference. The attack must be initiated from a local position. The exploit has been made public and could be used. Upgrading to version 0.14 is sufficient to resolve this issue. The patch is named dde45dac3c4d902e4d8fed150a8017b9732019c9. Upgrading the affected component is recommended. Different than CVE-2026-9503.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2026-15184?

How do I fix CVE-2026-15184?

Upgrade to a fixed version.

Is CVE-2026-15184 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15184 exists.

Sources

Also known as GHSA-fgx7-4whx-rx6p.

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