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CVE-2026-9503

GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference

Published: May 25, 2026Updated: May 26, 2026 Sources: CVE List
NVD MITRE
3.3CVSS
LOW

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.

EPSS Score
0.0%
Top 97.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low

Weaknesses

CWE-476NULL Pointer DereferenceCWE-404Denial of Service

Affected Products

LibreDWG
GNU

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://vuldb.com/vuln/365485
vuldb.com
https://vuldb.com/vuln/365485/cti
vuldb.com
https://vuldb.com/submit/814260
vuldb.com
and 4 more references View all →

Timeline

Published
May 25, 2026
Last Updated
May 26, 2026

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