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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/nothings/stb/issues/1963 cve-icon cve-icon
History

Wed, 09 Sep 2026 23:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in stbsp_vsnprintf Causing Denial of Service
Weaknesses CWE-126

Wed, 09 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
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.
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AC:H/AV:L/A:L/C:N/I:L/PR:N/S:U/UI:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-09T20:34:57.156Z

Reserved: 2026-08-25T00:00:00.000Z

Link: CVE-2026-79516

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-09T21:17:04.530

Modified: 2026-09-09T21:17:04.530

Link: CVE-2026-79516

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T23:00:08Z

Weaknesses