CVE-2026-79516 | BDVDB-2026-370667 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact low. Attack vector: local.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

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

Exploit#

No public exploit known

History#

Version 12026-09-09Record published in the CVE List.
Version 22026-09-14Most recent update recorded in the CVE List.

Published

Published: 2026-09-09
Last modified: 2026-09-14

Vendor information

Vendor: Not stated
Product: Not stated

Score

4.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 2.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.0 Medium

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

Metric breakdown
Attack Complexity	High
Attack Vector	Local
Availability	Low
Confidentiality	None
Integrity	Low
Privileges Required	None
Scope	Unchanged
User Interaction	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).