Resource exhaustion in Vgmstream
CVE-2026-86515
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (47.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003
Affected products
- Vgmstream — versions r2117
Weakness classification (CWE)
References
- github.com/vgmstream/vgmstream/ (product)
- github.com/vgmstream/vgmstream/commit/4b6a02dd1aff6428255db912563d77d4cb0a143e (patch)
- github.com/vgmstream/vgmstream/issues/1973 (issue-tracking, exploit)
- github.com/vgmstream/vgmstream/pull/1965 (issue-tracking, patch)
- vuldb.com/cve/CVE-2026-86515 (third-party-advisory)
- vuldb.com/submit/908370 (third-party-advisory)
- vuldb.com/vuln/399669 (technical-description, vdb-entry)
- vuldb.com/vuln/399669/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-86515?
- CVE-2026-86515 is a medium-severity vulnerability in Vgmstream, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-09-08.
- How severe is CVE-2026-86515?
- Medium severity. CVSS v3 base score is 4.3 out of 10.