CVE-2026-15520

MEDIUM

GNU LibreDWG R2004 Section Decompression decode.c decompress_R2004_section heap-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability was determined in GNU LibreDWG 0.13.4-154-g0b573035. This impacts the function decompress_R2004_section of the file src/decode.c of the component R2004 Section Decompression. Executing a manipulation can lead to heap-based buffer overflow. The attack requires local access. The exploit has been publicly disclosed and may be utilized. Upgrading to version 0.14.8396 will fix this issue. This patch is called 3d0f9fc2eddbd6579c99af3111c37c98f03475d0. You should upgrade the affected component.

References (10)

Core 10
Core References
Broken Link, Product broken-link product
https://www.gnu.org/
Vdb Entry, Technical Description vdb-entry technical-description
VDB-377849 | GNU LibreDWG R2004 Section Decompression decode.c decompress_R2004_section heap-based overflow
https://vuldb.com/vuln/377849
Signature, Permissions Required signature permissions-required
VDB-377849 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/377849/cti
Third Party Advisory third-party-advisory
CVE-2026-15520 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-15520
Third Party Advisory third-party-advisory
Submit #851190 | LibreDWG 0.13.4-154-g0b573035 (main branch, commit 0b573035, 2026-04-29) 内存损坏 (Heap Buffer Overflow - Write)
https://vuldb.com/submit/851190
Issue Tracking issue-tracking
https://github.com/LibreDWG/libredwg/issues/1251
Broken Link, Issue Tracking broken-link issue-tracking
https://github.com/advisories/GHSA-qg2f-8389-w95j

Scores

CVSS v3 5.3
EPSS 0.0014
EPSS Percentile 3.5%
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 (2)
GNU/LibreDWG 0.13.4-154-g0b573035
GNU/LibreDWG 0.14.8396
Published Jul 13, 2026
Tracked Since Jul 13, 2026