CVE-2026-9501GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was determined in GNU LibreDWG up to 0.14. The impacted element is the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. Executing a manipulation can lead to reachable assertion. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. A patch should be applied to remediate this issue.
- 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-617
- 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 28, 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/365483vdb-entry, technical-description
- https://vuldb.com/vuln/365483/ctisignature, permissions-required
- https://vuldb.com/submit/814250third-party-advisory
- https://github.com/LibreDWG/libredwg/issues/1242issue-tracking
- https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_assert_fail_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.