CVE-2021-0311

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-11 · updated 2026-06-17
Weakness: CWE-787

Description

In ElementaryStreamQueue::dequeueAccessUnitH264() of ESQueue.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170240631.

Affected products

Android: 8.0, 8.1, 9.0, 10.0, 11.0

References

https://source.android.com/security/bulletin/2021-01-01
https://source.android.com/security/bulletin/2021-01-01

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