CVE-2026-86514

Medium

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.

SeverityMedium

CVSS6.3

Exploit probability—

ProductVgmstream

PublishedSep 8, 2026

First seenSep 8, 2026

Weakness typeCWE-121CWE-121 CWE-119Memory buffer bounds error

How to fix

Patches

github.com/vgmstream/vgmstream/pull/1956
github.com/vgmstream/vgmstream/commit/4669d37a6af94866f6f0628678f9f90d46954e8b

Affected products

Product	Affected versions	Fixed in
vgmstream vgmstream	r2117	—

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