Medium severity · published Sep 8, 2026
CVE-2026-86514
vgmstream txth-txtp txth.c sscanf stack-based overflow
6.3
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VG
vgmstream · Vgmstream
r2117 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86514
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86514
github.com
https://github.com/vgmstream/vgmstream/
github.com
https://github.com/vgmstream/vgmstream/commit/4669d37a6af94866f6f0628678f9f90d46954e8b
github.com
https://github.com/vgmstream/vgmstream/issues/1972
github.com
https://github.com/vgmstream/vgmstream/pull/1956
vuldb.com
https://vuldb.com/cve/CVE-2026-86514
vuldb.com
https://vuldb.com/submit/908369
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