CVE-2026-9503: GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference

Published May 25, 2026
·
Updated

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.

Affected Software

1 affected component
GNU LibreDWG<=0.14

Event History

May 25, 2026
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-9503?

The severity of CVE-2026-9503 is classified as low with a score of 3.3.

2

What type of vulnerability is CVE-2026-9503?

CVE-2026-9503 is a null pointer dereference vulnerability in GNU LibreDWG.

3

How do I fix CVE-2026-9503?

To fix CVE-2026-9503, update your GNU LibreDWG software to the latest version that addresses this issue.

4

What components are affected by CVE-2026-9503?

CVE-2026-9503 affects the dwg_next_entity function within the src/decode.c component of the DWG File Handler.

5

Who can exploit CVE-2026-9503?

CVE-2026-9503 can be exploited by an attacker with local access.

Contact

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