Vulnerability DatabaseCVE-2026-9503
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CVE-2026-9503
Published:May 25, 2026
Updated:June 11, 2026
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 Packages
https://github.com/LibreDWG/libredwg.git (GITHUB):
Affected version(s) >=0.3 <0.13.4.8166
Fix Suggestion:
Update to version 0.13.4.8166
Related Resources (7)
https://github.com/LibreDWG/libredwg/issues/1245
https://vuldb.com/vuln/365485
https://vuldb.com/vuln/365485/cti
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg
https://vuldb.com/submit/814260
https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300
https://www.gnu.org/
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CVSS v4
Base Score:
1.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
3.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Improper Resource Shutdown or Release
CWE-404
NULL Pointer Dereference
CWE-476
EPSS
Base Score:
0.01