CVE-2022-20203

Severity: high (CVSS 7.8 v3.1)
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: 2022-06-15 · updated 2026-06-17
Weakness: CWE-787

Description

In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 12.1

References

https://source.android.com/security/bulletin/android-12l
https://source.android.com/security/bulletin/android-12l

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