PatchSiren cyber security CVE debrief
CVE-2026-79516 nothings CVE debrief
CVE-2026-79516 is a Denial of Service (DoS) vulnerability in the stbsp_vsnprintf function of nothings stb commit 31c1ad3. The vulnerability allows attackers to cause a DoS via sending a crafted input. The CVSS score is 4, and the severity is MEDIUM. This vulnerability affects product deployments using nothings stb commit 31c1ad3. Defenders and developers should verify the affected versions and apply patches or mitigations to prevent potential DoS attacks. The CVE record and NVD detail page provide additional context for this vulnerability.
- Vendor
- nothings
- Product
- stb
- CVSS
- MEDIUM 4
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-09
- Original CVE updated
- 2026-09-14
- Advisory published
- 2026-09-09
- Advisory updated
- 2026-09-14
Who should care
Defenders and developers using nothings stb commit 31c1ad3 should verify the affected versions and apply patches or mitigations to prevent potential DoS attacks.
Why it matters
CVE-2026-79516 is a Denial of Service (DoS) vulnerability in nothings stb commit 31c1ad3. Defenders and developers should verify the affected versions and apply patches or mitigations to prevent potential DoS attacks.
- Potential Denial of Service (DoS) attacks via crafted input.
- Need to verify affected versions and apply patches or mitigations.
Technical summary
The vulnerability is caused by an out-of-bounds read in the stbsp_vsnprintf function of nothings stb commit 31c1ad3. This allows attackers to cause a Denial of Service (DoS) via sending a crafted input. The affected product is nothings stb commit 31c1ad3. Defenders should prioritize verifying the affected versions and applying patches or mitigations to prevent potential DoS attacks. The technical details of the vulnerability are based on the CVE record and NVD detail page.
Defensive priority
Defenders should prioritize verifying the affected versions and applying patches or mitigations to prevent potential DoS attacks.
Recommended defensive actions
- Verify the affected versions of nothings stb and apply patches or mitigations.
- Monitor for potential DoS attacks via crafted input.
- Review the CVE record and NVD detail page for more information.
Evidence notes
The vulnerability is caused by an out-of-bounds read in the stbsp_vsnprintf function. The CVE record and NVD detail page provide information on the vulnerability.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-79516 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-79516
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-79516 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79516
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://github.com/nothings/stb/issues/1963
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.