CVE-2026-79516

medium

Assigned by CNA: mitre

Published 2026-09-09 · Modified 2026-09-09

Discuss on Community Propose mitigation

CVSS v3

4.0

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

4.0

Description

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.

Predictions

Exploit likelihood

40%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

References

https://github.com/nothings/stb/issues/1963

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.