CVE-2026-9500

MEDIUM

GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability was found in GNU LibreDWG up to 0.14. The affected element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgread Utility. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-365482 | GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow
https://vuldb.com/vuln/365482
Signature, Permissions Required signature permissions-required
VDB-365482 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365482/cti
Third Party Advisory third-party-advisory
Submit #814248 | 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/814248
Issue Tracking issue-tracking
https://github.com/LibreDWG/libredwg/issues/1241
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 poc
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