CVE-2026-86515— vgmstream txtp txtp_parser.c add_entry resource consumption
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 库（版本至 r2117）中发现了一个安全漏洞。受影响的是组件 txtp 中文件 里的 函数。对参数 / 的特定操作会导致资源消耗（资源耗尽）。该攻击可从远程发起。该漏洞的利用方式已公开披露，可能存在被利用的风险。对应的修复补丁名为 。建议应用该补丁以修复此问题。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-86515
Vulnerability Information
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Vulnerability Title
vgmstream txtp txtp_parser.c add_entry resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in vgmstream up to r2117. Impacted is the function add_entry of the file src/meta/txtp_parser.c of the component txtp. Such manipulation of the argument range_start/range_end leads to resource consumption. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The name of the patch is 4b6a02dd1aff6428255db912563d77d4cb0a143e. It is advisable to implement a patch to correct this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | vgmstream | r2117 |
cpe:2.3:a:vgmstream:vgmstream:*:*:*:*:*:*:*:*
|
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II. Public POCs for CVE-2026-86515
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-86515 (1)
Proof of Concept for CVE-2026-86515 (1)
Other References for CVE-2026-86515 (2)
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🔗 CVE-2026-86515 vgmstream txtp txtp_parser.c add_entry resource consumption vdb-entry technical-description
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V. Comments for CVE-2026-86515
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