CVE-2026-5317

Name: CVE-2026-5317
Creator: NVD / NIST
Published: 2026-04-02T01:16:01.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2026-5317 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nothings	Stb Vorbis.C	<= 1.22

References

https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90cExploit, Third Party Advisory
https://vuldb.com/submit/780561Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354649Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354649/ctiPermissions Required, VDB Entry

Timeline

Published: Apr 2, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5317?

How severe is CVE-2026-5317?

CVE-2026-5317 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5317?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5317?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST