CVE-2026-9504 MEDIUM

CVE-2026-9504: GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds

Vendor Gnu
Product LibreDWG
Weakness CWE-125
Published May 25, 2026
Last update May 26, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A weakness has been identified in GNU LibreDWG up to 0.14. Affected is the function bit_convert_TU of the file programs/dwggrep.c of the component Dwggrep Utility. This manipulation causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. Patch name: be996bf2178a40e98720f18c2414815d244413db. Applying a patch is the recommended action to fix this issue.

Key dates

02Disclosure timeline

May 25, 2026 CVE published
May 26, 2026 Record updated