CVE-2026-9502

MEDIUM

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

Title source: cna
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-365484 | GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow
https://vuldb.com/vuln/365484
Signature, Permissions Required signature permissions-required
VDB-365484 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365484/cti
Third Party Advisory third-party-advisory
Submit #814259 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (released 2026-04-10) Heap-based Buffer Overflow (CWE-122)
https://vuldb.com/submit/814259
Issue Tracking issue-tracking
https://github.com/LibreDWG/libredwg/issues/1243
Product product
https://www.gnu.org/

Scores

CVSS v3 5.3
EPSS 0.0015
EPSS Percentile 4.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-122
Status published
Products (14)
GNU/LibreDWG 0.1
GNU/LibreDWG 0.10
GNU/LibreDWG 0.11
GNU/LibreDWG 0.12
GNU/LibreDWG 0.13
GNU/LibreDWG 0.14
GNU/LibreDWG 0.2
GNU/LibreDWG 0.3
GNU/LibreDWG 0.4
GNU/LibreDWG 0.5
... and 4 more
Published May 25, 2026
Tracked Since May 26, 2026