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

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• VDB-365485 | GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference vdb-entrytechnical-description
• VDB-365485 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-required
• Submit #814260 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (2026-04-10) NULL Pointer Dereference (CWE-476) third-party-advisory
• https://github.com/LibreDWG/libredwg/issues/1245 issue-tracking
• https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compresse… exploit
• https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300 patch
• https://www.gnu.org/ product