Null Pointer Dereference Vulnerability in GNU LibreDWG's DWG File Handler
CVE-2026-15184

4.8MEDIUM

Key Information:

Vendor

Gnu
Status
Libredwg
Vendor
CVE Published:
9 July 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-15184?

A local vulnerability exists in GNU LibreDWG's DWG File Handler due to a null pointer dereference in the dwg_next_entity function. This issue can be exploited by manipulating the next_obj argument, potentially leading to application crashes. Users are strongly advised to upgrade to version 0.14 to mitigate this vulnerability. The patch addressing this issue is identified by commit dde45dac3c4d902e4d8fed150a8017b9732019c9.

Affected Version(s)

LibreDWG 0.13.0

LibreDWG 0.13.1

LibreDWG 0.13.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-15184 - Proof of Concept

References

https://vuldb.com/vuln/377110
vdb-entrytechnical-description
https://vuldb.com/vuln/377110/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15184
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ech06 (VulDB User)
.