CVE-2026-9502GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow
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A vulnerability was identified in GNU LibreDWG up to 0.14. This affects the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. To fix this issue, it is recommended to deploy a patch.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-122, 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/365484vdb-entry, technical-description
- https://vuldb.com/vuln/365484/ctisignature, permissions-required
- https://vuldb.com/submit/814259third-party-advisory
- https://github.com/LibreDWG/libredwg/issues/1243issue-tracking
- https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_decompress_R2004_section.dwgexploit
- https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9patch
- 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.