Resource Consumption Vulnerability in vgmstream by Video Game Music Stream
CVE-2026-86515

5.3MEDIUM

Key Information:

Vendor

Video Game Music Stream

Status
Vgmstream
Vendor
CVE Published:
8 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86515?

A security vulnerability in vgmstream has been identified, specifically within the add_entry function in the txtp_parser.c file. This weakness allows manipulations of the range_start and range_end parameters, potentially leading to excessive resource consumption. The threat can be executed remotely, putting systems at risk. Public disclosure of the exploit emphasizes the urgency to apply the patch identified as 4b6a02dd1aff6428255db912563d77d4cb0a143e to safeguard against possible exploitation.

Affected Version(s)

vgmstream r2117

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-86515 - Proof of Concept

References

https://vuldb.com/vuln/399669
vdb-entrytechnical-description
https://vuldb.com/vuln/399669/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86515
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ni-liao (VulDB User)
.