CVE-2026-9501 PUBLISHED

A vulnerability was determined in GNU LibreDWG up to 0.14. The impacted element is the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. Executing a manipulation can lead to reachable assertion. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. A patch should be applied to remediate this issue.

• pwn3rd (VulDB User) reporter

• VDB-365483 | GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion
• VDB-365483 | CTI Indicators (IOB, IOC, IOA)
• Submit #814250 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (released 2026-04-10) Reachable Assertion (CWE-617)
• https://github.com/LibreDWG/libredwg/issues/1242
• https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_assert_fail_decompress_R2004_section.dwg
• https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9
• https://www.gnu.org/

• Reachable Assertion CWE