Buffer overflow in Google Android
CVE-2023-40078
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Google Android — versions 14.0, 14
Weakness classification (CWE)
References
- android.googlesource.com/platform/packages/modules/Bluetooth/+/6cdf985a66447665… (Patch, Mailing List)
- source.android.com/security/bulletin/2023-12-01 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-40078?
- CVE-2023-40078 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-12-04.
- How severe is CVE-2023-40078?
- Critical severity. CVSS v3 base score is 9.8 out of 10.