CVE-2026-79516

4.0 MEDIUM 0.1% exploit odds No fix listed Memory safety

What it is

An out-of-bounds read in the stbsp_vsnprintf function (stb_sprintf.h) of nothings stb commit 31c1ad3 allows attackers to cause a Denial of Service (DoS) via sending a crafted input.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-09-09 21:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-14 13:18 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-09 21:17 UTC
Last modified: 2026-09-14 13:18 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-125 · Out-of-bounds read
Record status: Deferred

Attack profile CVSS 3.1 · 4.0

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: Low

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-79516.md and follow it. Check whether this project is affected by CVE-2026-79516. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

More options

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References

NVD record · CVE.org record