CVE-2026-21071

Improper input validation in MPEG4 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.

CVSS 4.0

5.1CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-20

Published

2026-08-10

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

Affected

• samsung:android

References

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

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