What’s Vulnerable › Vulnerabilities

CVE-2026-5317: Nothings stb stb_vorbis.c start_decoder out-of-bounds write

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-02 · updated 2026-10-26
• Weakness: CWE-119

Description

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.

Affected products

• nothings Stb Vorbis.C: through 1.22

References

• https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c
• https://vuldb.com/submit/780561
• https://vuldb.com/vuln/354649
• https://vuldb.com/vuln/354649/cti

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