Heap-based Buffer Overflow in GNU LibreDWG's BMP Image Handler
CVE-2026-15182

4.8MEDIUM

Key Information:

Vendor

Gnu
Status
Libredwg
Vendor
CVE Published:
9 July 2026

Badges

πŸ‘Ύ Exploit Exists🟑 Public PoC

What is CVE-2026-15182?

A vulnerability exists in the BMP Image Handler of GNU LibreDWG versions up to 0.13.4, specifically in the dwg_bmp function within src/dwg.c. This flaw allows for a locally executed heap-based buffer overflow, which can lead to potential exploitation of memory corruption. To mitigate this risk, users are advised to upgrade to version 0.14, where the issue is addressed in commit 18fd542bb4d5ccedf9de12052bf50068b2b26f06.

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-2026-15182 - Proof of Concept

References

https://vuldb.com/vuln/377109
vdb-entrytechnical-description
https://vuldb.com/vuln/377109/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15182
third-party-advisory

CVSS V4

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

Timeline

  • 🟑

    Public PoC available

  • πŸ‘Ύ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ech06 (VulDB User)
.