CVE-2023-40078: Google Android

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

• Google Android: version 14.0 only

Published 2023-12-04. Last modified 2026-06-17.