CVE-2026-9504

EUVD-2026-31745

25.05.2026, 22:16

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
VulDB	CNA	3.3 LOW	LOCAL	LOW	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 7%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
gnu	libredwg	0.1	CNA
gnu	libredwg	0.2	CNA
gnu	libredwg	0.3	CNA
gnu	libredwg	0.4	CNA
gnu	libredwg	0.5	CNA
gnu	libredwg	0.6	CNA
gnu	libredwg	0.7	CNA
gnu	libredwg	0.8	CNA
gnu	libredwg	0.9	CNA
gnu	libredwg	0.10	CNA
gnu	libredwg	0.11	CNA
gnu	libredwg	0.12	CNA
gnu	libredwg	0.13	CNA
gnu	libredwg	0.14	CNA

Common Weakness Enumeration

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

References

https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_bit_convert_TU.dwg

https://github.com/LibreDWG/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db

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

https://vuldb.com/submit/814261

https://vuldb.com/vuln/365486

https://vuldb.com/vuln/365486/cti

https://www.gnu.org/

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