CVE-2026-86514

2.1 lowEPSS 0.5%

Low (2.1). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-11-01)
CWEs: CWE-119, CWE-121
Published: 2026-09-08
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19

References

https://github.com/vgmstream/vgmstream/
https://github.com/vgmstream/vgmstream/commit/4669d37a6af94866f6f0628678f9f90d46954e8b
https://github.com/vgmstream/vgmstream/issues/1972
https://github.com/vgmstream/vgmstream/pull/1956
https://vuldb.com/cve/CVE-2026-86514

Check your stack JSON