Vulnerability · Published Sep 9, 2026 · Assigned by SamsungMobile
CVE-2026-21111
Medium 6.9
In plain English
A medium-severity out-of-bounds write in libsthmbc from Samsung Mobile. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds write in libsthmbc.so prior to One UI 8.5 allows local attackers to write out-of-bounds memory.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Samsung Mobile | libsthmbc | see references |
Weakness: CWE-787 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N