PT-2026-43136 · Gnu · Libredwg

Pwn3Rd · Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-9504

Mitre

CVSS v3.1

3.3

Low

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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.

Exploit

Fix

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-119

Related Identifiers

CVE-2026-9504

Affected Products

Libredwg

References · 7

• 🔥 https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_bit_convert_TU.dwg · Exploit
• https://github.com/LibreDWG/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db · Patch
• https://gnu.org · Note
• https://vuldb.com/vuln/365486 · Note
• https://vuldb.com/submit/814261 · Note
• https://vuldb.com/vuln/365486/cti · Note
• https://github.com/LibreDWG/libredwg/issues/1246 · Note