CVE-2026-9502

MEDIUM 5.3

GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-122 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:L/A:L/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

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365484 vuldb.com: https://vuldb.com/vuln/365484/cti vuldb.com: https://vuldb.com/submit/814259 github.com: https://github.com/LibreDWG/libredwg/issues/1243 github.com: https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_decompress_R2004_section.dwg github.com: https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9 gnu.org: https://www.gnu.org/

Credits

🔍 pwn3rd (VulDB User)