CVE-2026-9605

HIGH

GNU libredwg Dwgbmp Utility bits.c bit_read_RC heap-based overflow

Title source: cna
STIX 2.1

Description

A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bit_read_RC of the file bits.c of the component Dwgbmp Utility. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 8f03865f37f5d4ffd616fef802acc980be54d300. Applying a patch is the recommended action to fix this issue.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-365678 | GNU libredwg Dwgbmp Utility bits.c bit_read_RC heap-based overflow
https://vuldb.com/vuln/365678
Signature, Permissions Required signature permissions-required
VDB-365678 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365678/cti
Third Party Advisory third-party-advisory
Submit #818197 | LibreDWG libredwg (including the dwgbmp utility) 0.13.4.8160 Buffer Overflow
https://vuldb.com/submit/818197
Issue Tracking issue-tracking
https://github.com/LibreDWG/libredwg/issues/1248
Broken Link, Product broken-link product
https://www.gnu.org/

Scores

CVSS v3 7.3
EPSS 0.0034
EPSS Percentile 25.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-119 CWE-122
Status published
Products (1)
GNU/libredwg 0.13.4.8160
Published May 27, 2026
Tracked Since May 27, 2026