Resource Allocation Vulnerability in Nothings stb Library
CVE-2026-5316

5.3MEDIUM

Key Information:

Vendor

Nothings

Status
Stb
Vendor
CVE Published:
2 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5316?

A vulnerability has been found in the Nothings stb library, specifically within the 'setup_free' function of the stb_vorbis.c file. This issue allows for improper resource allocation, which could be exploited remotely. Publicly available exploits heighten the risk associated with this vulnerability. Despite notification to the vendor regarding this issue, there has been no response or patch provided.

Affected Version(s)

stb 1.0

stb 1.1

stb 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5316 - Proof of Concept

References

https://vuldb.com/vuln/354648
vdb-entrytechnical-description
https://vuldb.com/vuln/354648/cti
signaturepermissions-required
https://vuldb.com/submit/780560
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

d0razi (VulDB User)
VulDB
.