Cyber Resilience

CVE-2023-40078

Critical

Published: 04 December 2023

Published
04 December 2023
Modified
21 November 2024
KEV Added
Patch
01 December 2023
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0014 34.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-40078 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Google Android. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 34.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

google
android
14.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References