# CVE-2011-0220: Bonjour: Apple Bonjour before 2011 allows a crash via a crafted multicast DNS packet.

CVE-2011-0220 has no fix on record yet for 1 affected product. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2011-0220
- Priority: Routine
- CVSS: 5.5
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 5, 2020
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2011-0220

## Description

Apple Bonjour before 2011 allows a crash via a crafted multicast DNS packet.

## Where it's fixed

No fix is on record.

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Bonjour | no-fix |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo