CVE Catalog

CVE-2026-21068

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.13%

3th percentile - higher than 3% of all known CVEs

Summary

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

Risk Assessment

A privileged attacker could execute arbitrary code in the context of the radio process, potentially leading to full device compromise.

Recommendation

Install the SMR Aug-2026 Release 1 update that fixes the buffer overflow.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS