CVE-2026-79516: Out-of-bounds Read
Source CVE Database V5
Not known to be exploited · CVSS 4.0 Medium.
Data as of 26 Oct 2026, 13:47 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AC:H/AV:L/A:L/C:N/I:L/PR:N/S:U/UI:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
Until a fix is available, avoid processing untrusted input with the vulnerable function or apply input validation to mitigate triggering the out-of-bounds read.
Description
CVE-2026-79516 is a medium severity vulnerability involving an out-of-bounds read in the stbsp_vsnprintf function of the stb_sprintf.h component in nothings stb library. This flaw can be triggered by crafted input to cause a Denial of Service (DoS) condition. No affected versions or patch information are provided.