CVE-2026-9530 GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds
A local attacker can trigger an out-of-bounds read in the Dwgbmp utility, potentially causing information disclosure or application crashes.
- 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-2026-9530?
CVE-2026-9530 is a medium-severity memory corruption vulnerability in GNU LibreDWG, published on 26 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A weakness has been identified in GNU LibreDWG up to 0.14. The impacted element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgbmp Utility. Executing a manipulation can lead to out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called 8f03865f37f5d4ffd616fef802acc980be54d300. It is advisable to implement a patch to correct this issue.
Which versions are affected by CVE-2026-9530?
How do I fix CVE-2026-9530?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-9530 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9530 exists.
Sources
Also known as GHSA-x5hm-p5rv-v4c7.