What’s Vulnerable › Vulnerabilities

CVE-2021-39803

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-12 · updated 2026-06-17
• Weakness: CWE-416

Description

In ~Impl of C2AllocatorIon.cpp, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-193790350

Affected products

• Android: 10.0, 11.0, 12.0, 12.1

References

• https://source.android.com/security/bulletin/2022-04-01
• https://source.android.com/security/bulletin/2022-04-01

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