An out-of-bounds read in the stbsp_vsnprintf function (stb_sprintf.h) of nothings stb…
Priority MEDIUM 52CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00129 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-79516
- 2026-10-03 Alias added: GHSA-65qg-r8w5-5wxq
References
Sources
- CVE-2026-79516 · CVE Program
- CVE-2026-79516 · NVD
- FIRST EPSS
- GHSA-65qg-r8w5-5wxq · GitHub Advisory Database · CC BY 4.0
- CVE-2026-79516 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences