CVE-2026-5317CWE-119CWE-787

Nothings stb stb_vorbis.c start_decoder out-of-bounds write

Medium · published April 2, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
47.7
In the wild
Unconfirmed
What it is

A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
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
0.00593 · 47.7th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-787 · Out-of-bounds Write
Published
2026-04-02T00:45Z
EPSS history
Timeline
  • 02 APR 00:45Z
    Nothings stb stb_vorbis.c start_decoder out-of-bounds write
    cvelistv5