CVE-2023-40078

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.11%
Third-Party Advisory android.com
Affected: Google Android
Published at:
Updated at:

References

Link Tags
https://android.googlesource.com/platform/packages/modules/Bluetooth/+/6cdf985a664476659b84d8c74698cb3dfa28f82b patch mailing list
https://source.android.com/security/bulletin/2023-12-01 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2023-40078?
CVE-2023-40078 has been scored as a critical severity vulnerability.
How to fix CVE-2023-40078?
To fix CVE-2023-40078, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40078 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40078 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40078?
CVE-2023-40078 affects Google Android.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.