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CVE-2026-9529

GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

LOW
3.3
CVSS Score
Published: May 26, 2026 at 04:15 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorLibreDWG

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Severity
LOW3.3
Exploit prediction
EPSS 0.1%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/365548
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/365548/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/814273
Issue Tracking
Source: cverecord
https://github.com/LibreDWG/libredwg/issues/1247
Exploit
Source: cverecord
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg
ProductBroken Link
Source: cverecord
https://www.gnu.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-476CWE-404

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