CVE-2026-86515: Resource Consumption in vgmstream
Description
CVE-2026-86515 is a medium severity vulnerability in vgmstream up to version r2117. It affects the add_entry function in src/meta/txtp_parser.c, where manipulation of range_start and range_end arguments can cause resource consumption. The vulnerability can be exploited remotely and has been publicly disclosed. A patch identified by commit 4b6a02dd1aff6428255db912563d77d4cb0a143e is available to fix the issue.
CVSS v4.0
Score 5.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in vgmstream's txtp component arises from improper handling of the range_start and range_end arguments in the add_entry function, leading to excessive resource consumption. The flaw can be triggered remotely, potentially allowing an attacker to degrade service availability. The issue is tracked as CVE-2026-86515 and has a CVSS 3.1 base score of 5.3 (medium severity). A patch commit 4b6a02dd1aff6428255db912563d77d4cb0a143e has been released to address the problem.
Potential Impact
Exploitation of this vulnerability may cause resource exhaustion on the affected system, potentially leading to denial of service conditions. There is no indication of privilege escalation, data confidentiality, or integrity impact. The vulnerability can be triggered remotely without authentication.
Mitigation Recommendations
A patch identified by commit 4b6a02dd1aff6428255db912563d77d4cb0a143e is available and should be applied to affected versions of vgmstream to remediate this vulnerability. Implementing this patch will correct the resource consumption issue. No additional mitigation steps are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-rvx9-668h-q594
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86515"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9f9103acd9273b49ff22f0
Added to database: 09/08/2026, 04:37:23 UTC
Last enriched: 09/29/2026, 05:19:53 UTC
Last updated: 10/23/2026, 01:15:27 UTC
Views: 42
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.