CVE-2026-9502 MEDIUM

CVE-2026-9502: GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow

Vendor Gnu
Product LibreDWG
Weakness CWE-122
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:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in GNU LibreDWG up to 0.14. This affects the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. To fix this issue, it is recommended to deploy a patch.

Key dates

02Disclosure timeline

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