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CVE-2026-86514— vgmstream txth-txtp txth.c sscanf stack-based overflow

Quick assessment

Affected
n/a vgmstream
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 vgmstream（版本 r2117 及之前）中已发现一个安全弱点。该问题影响组件 txth-txtp 中文件 里的 函数调用。由于对该函数的不当操作，导致了基于栈的缓冲区溢出。该漏洞可被远程触发，且已公开利用方式，可被用于攻击。修复补丁名称： 。为修复此问题，建议部署该补丁。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-86514

Vulnerability Information
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Vulnerability Title
vgmstream txth-txtp txth.c sscanf stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- vgmstream r2117 cpe:2.3:a:vgmstream:vgmstream:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86514

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III. Intelligence Information for CVE-2026-86514

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Patches & Fixes for CVE-2026-86514 (2)

Proof of Concept for CVE-2026-86514 (1)

Other References for CVE-2026-86514 (2)

IV. Related Vulnerabilities

Same product: vgmstream
Same vendor: n/a
Same weakness: CWE-121

V. Comments for CVE-2026-86514

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