CVE-2026-21068

Stack-based buffer overflow in libril_sem.so prior to SMR Aug-2026 Release 1 allows privileged local attackers to execute arbitrary code.

Score

CVSS 4.0 8.4 High

Status

Analyzed - mobile.security@samsung.com

Published

2026-08-10

Last modified

2026-10-23

Weaknesses

CWE-121

Affected products

• Android (Samsung)
• Samsung Mobile Devices (Samsung Mobile)

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08