CVE-2026-86514

vgmstream txth-txtp txth.c sscanf stack-based overflow

MEDIUM
6.3
CVSS Score
Published: September 8, 2026 at 02:45 AM UTC
Updated: September 28, 2026 at 11:10 PM UTC
1 product affected across 1 vendorVgmstream

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A weakness has been identified in vgmstream up to r2117. This issue affects the function sscanf of the file src/meta/txth.c of the component txth-txtp. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 4669d37a6af94866f6f0628678f9f90d46954e8b. To fix this issue, it is recommended to deploy a patch.

Affected

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

Remediation

No guide yet

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

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399668
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399668/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86514
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/908369
ExploitIssue Tracking
Source: cverecord
https://github.com/vgmstream/vgmstream/issues/1972
Issue TrackingPatch
Source: cverecord
https://github.com/vgmstream/vgmstream/pull/1956

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

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