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CVE-2026-9529

Published: May 26, 2026

Modified: May 26, 2026

PUBLISHED

CVSS v3.1

3.3

LOW

Description

A security flaw has been discovered in GNU LibreDWG up to 0.14. The affected element is the function match_BLOCK_HEADER of the file dwggrep.c of the component Dwggrep Utility. Performing a manipulation results in null pointer dereference. The attack requires a local approach. The exploit has been released to the public and may be used for attacks.

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:N/I:N/A:L/E:P/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-365548 | GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

vdb-entry

technical-description

VDB-365548 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #814273 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (2026-04-10) NULL Pointer Dereference (CWE-476)

third-party-advisory

https://github.com/LibreDWG/libredwg/issues/1247

issue-tracking

https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg

exploit

https://www.gnu.org/

product

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