CVE-2026-86514CWE-119CWE-121

CVE-2026-86514

Medium · published September 8, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
39.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · 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
EPSS
0.00468 · 39.5th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-09-08T07:17Z
References (8)
https://vuldb.com/submit/908369 · [email protected]https://vuldb.com/vuln/399668 · [email protected]https://vuldb.com/vuln/399668/cti · [email protected]https://github.com/vgmstream/vgmstream/ · [email protected]https://github.com/vgmstream/vgmstream/commit/4669d37a6af94866f6f0628678f9f90d46954e8b · [email protected]https://github.com/vgmstream/vgmstream/issues/1972 · [email protected]https://github.com/vgmstream/vgmstream/pull/1956 · [email protected]https://vuldb.com/cve/CVE-2026-86514 · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 08 SEP 02:45Z
    vgmstream txth-txtp txth.c sscanf stack-based overflow
    cvelistv5