High severity · published Apr 2, 2026
CVE-2026-5317
Nothings stb stb_vorbis.c start_decoder out-of-bounds write
8.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
stb · Nothings
1.0; 1.1; 1.2; 1.3; 1.4; 1.5; +17 more · source: vendor
SV
Stb Vorbis.c · Nothings
through 1.22 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5317
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5317
Exploit
https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c
Third Party Advisory
https://vuldb.com/submit/780561
Third Party Advisory
https://vuldb.com/vuln/354649
Permissions Required
https://vuldb.com/vuln/354649/cti
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