Low 3.3Published May 26, 2026

CVE-2026-9529GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

Updated under an hour ago (Oct 25, 2026, 10:23 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for GNU LibreDWG

Exploited in the last 30 days

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.

CVSS: 3.3 LOW (v3.1, CNA)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
Weakness (CWE): CWE-476, CWE-404
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: May 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

GNU LibreDWG gnu:libredwg	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; and 6 more ranges	CNA record

References

https://vuldb.com/vuln/365548vdb-entry, technical-description
https://vuldb.com/vuln/365548/ctisignature, permissions-required
https://vuldb.com/submit/814273third-party-advisory
https://github.com/LibreDWG/libredwg/issues/1247issue-tracking
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwgexploit
https://www.gnu.org/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.