CVE-2026-9504GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 3.3 LOW (v3.1, CNA)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
- Weakness (CWE)
- CWE-125, CWE-119
- 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
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/365486vdb-entry, technical-description
- https://vuldb.com/vuln/365486/ctisignature, permissions-required
- https://vuldb.com/submit/814261third-party-advisory
- https://github.com/LibreDWG/libredwg/issues/1246issue-tracking
- https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_bit_convert_TU.dwgexploit
- https://github.com/LibreDWG/libredwg/commit/be996bf2178a40e98720f18c2414815d244413dbpatch
- 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.