CVE-2026-9503
GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-476 CWE-404 |
| Vendor | gnu |
| Product | libredwg |
| Published | May 25, 2026 |
| Last Updated | May 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
GNU / LibreDWG
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11 0.12 0.13 0.14
References
vuldb.com: https://vuldb.com/vuln/365485 vuldb.com: https://vuldb.com/vuln/365485/cti vuldb.com: https://vuldb.com/submit/814260 github.com: https://github.com/LibreDWG/libredwg/issues/1245 github.com: https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg github.com: https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300 gnu.org: https://www.gnu.org/
Credits
🔍 pwn3rd (VulDB User)