CVE-2026-21111

Out-of-bounds write in libsthmbc.so prior to One UI 8.5 allows local attackers to write out-of-bounds memory.

Score

CVSS 4.0 6.9 Medium

Status

Awaiting Analysis - mobile.security@samsung.com

Published

2026-09-09

Last modified

2026-09-10

Weaknesses

CWE-787

Affected products

• Libsthmbc (Samsung Mobile)

References

• https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=09