Buffer overflow in Nothings Stb
CVE-2026-5317
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (46.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Nothings Stb — versions 1.0, 1.1, 1.2
- Nothings Stb Vorbis.c
Weakness classification (CWE)
References
- vuldb.com/vuln/354649 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/354649/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/780561 (VDB Entry, Third Party Advisory, third-party-advisory)
- gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-5317?
- CVE-2026-5317 is a medium-severity vulnerability in Nothings Stb, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-04-02.
- How severe is CVE-2026-5317?
- Medium severity. CVSS v3 base score is 6.3 out of 10.