CVE-2026-21126 — Samsung Mobile / Samsung Mobile Devices

CVE-2026-21126

Samsung Mobile / Samsung Mobile Devices PUBLISHED

Description (CNA)

Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory.

Affected (CNA)

Vendor / product	Versions
Samsung Mobile / Samsung Mobile Devices	unaffected SMR Oct-2026 Release in Android 14, 15, 16, 17 before *

CWE

No CWE identifiers supplied.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=10

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.