CVE-2023-40084

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-04 · updated 2026-06-17
Weakness: CWE-416

Description

In run of MDnsSdListener.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 11.0, 12.0, 12.1, 13.0, 14.0

References

https://android.googlesource.com/platform/system/netd/+/1b8bddd96b2efd4074b6d4eee377b62077c031bd
https://source.android.com/security/bulletin/2023-12-01
https://android.googlesource.com/platform/system/netd/+/1b8bddd96b2efd4074b6d4eee377b62077c031bd
https://source.android.com/security/bulletin/2023-12-01

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