CVE-2026-15520

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

MEDIUM
5.3
CVSS Score
Published: July 13, 2026 at 01:15 AM UTC
Updated: October 24, 2026 at 10:10 PM UTC
1 product affected across 1 vendorLibreDWG

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 0.14.8396 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (10)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/377849
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/377849/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-15520
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/851190
Broken LinkIssue Tracking
Source: cverecord
https://github.com/advisories/GHSA-qg2f-8389-w95j

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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