What’s Vulnerable › Vulnerabilities
CVE-2026-21126
- Severity: medium (CVSS 6.9 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-12 · updated 2026-10-16
Description
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 products
- Samsung Mobile Devices: all versions — fixed in 15, 16, 17, SMR Oct-2026 Release in Android 14
How to fix
Upgrade to a fixed version: Samsung Mobile Devices 15, 16, 17, SMR Oct-2026 Release in Android 14. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-21126 or the next vulnerability affects your stack