CVE-2026-5317— Nothings stb stb_vorbis.c start_decoder out-of-bounds write
Quick assessment
Affected
Nothings stb
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
stb是Sean Barrett个人开发者的一个用于C/C++的stb单文件公共域库。 stb 1.22及之前版本存在缓冲区错误漏洞，该漏洞源于文件stb_vorbis.c中函数start_decoder存在越界写入，可能导致远程攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5317
Vulnerability Information
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Vulnerability Title
Nothings stb stb_vorbis.c start_decoder out-of-bounds write
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
stb 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
stb是Sean Barrett个人开发者的一个用于C/C++的stb单文件公共域库。 stb 1.22及之前版本存在缓冲区错误漏洞，该漏洞源于文件stb_vorbis.c中函数start_decoder存在越界写入，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-5317
| # | POC Description | Source Link | Shenlong Link |
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Vendor Advisories for CVE-2026-5317 (2)
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🔗 CVE-2026-5317 Nothings stb stb_vorbis.c start_decoder out-of-bounds write Read full article vdb-entry technical-description
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Proof of Concept for CVE-2026-5317 (1)
IV. Related Vulnerabilities
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-
CVE-2026-102805
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Same weakness: CWE-787
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V. Comments for CVE-2026-5317
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