CVE-2026-9504
GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
2th
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.
| CWE | CWE-125 CWE-119 |
| Vendor | gnu |
| Product | libredwg |
| Published | May 25, 2026 |
| Last Updated | May 26, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
GNU / LibreDWG
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11 0.12 0.13 0.14
References
vuldb.com: https://vuldb.com/vuln/365486 vuldb.com: https://vuldb.com/vuln/365486/cti vuldb.com: https://vuldb.com/submit/814261 github.com: https://github.com/LibreDWG/libredwg/issues/1246 github.com: https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_bit_convert_TU.dwg github.com: https://github.com/LibreDWG/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db gnu.org: https://www.gnu.org/
Credits
🔍 pwn3rd (VulDB User)