CVE-2026-21119 Memory corruption in Samsung Mobile Devices

Medium 4.8 Published Updated

Local attackers can read and write out-of-bounds memory in a Samsung mobile sound library, potentially compromising data integrity and confidentiality.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-21119?

CVE-2026-21119 is a medium-severity memory corruption vulnerability in Samsung Mobile Devices, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Out-of-bounds read and write in lib_sag_ai_sound_sep_v2.00.so prior to SMR Oct-2026 Release 1 allows local attackers to read and write out-of-bounds memory.

Which versions are affected by CVE-2026-21119?

How do I fix CVE-2026-21119?

No fix has been published for CVE-2026-21119 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-21119 being exploited?

There is no known exploitation of CVE-2026-21119 in the wild and no public exploit code.

Sources

Also known as GHSA-pjpr-mc9x-58v2.

Is CVE-2026-21119 in your software?

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