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CVE-2026-9504

Published: May 25, 2026

Modified: May 26, 2026

PUBLISHED

CVSS v3.1

3.3

LOW

Description

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.

Vendor	Product	Versions
GNU	LibreDWG	affected `0.1` affected `0.2` affected `0.3` affected `0.4` affected `0.5` +9 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

VDB-365486 | GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds

vdb-entry

technical-description

VDB-365486 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #814261 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (2026-04-10) Out-of-bounds Read (CWE-125)

third-party-advisory

https://github.com/LibreDWG/libredwg/issues/1246

issue-tracking

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://www.gnu.org/

product

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