CVE-2011-3443: Use After Free

Published Mar 2, 2012
·
Updated

Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.

Affected Software

91 affected components
Safari=4.0.2
Safari=3.0.4b
Safari=1.3.0
Safari=1.0.3-85.8
Safari=2.0.3-417.9.3
Safari=4.0.1
Safari=1.3.2
Safari=1.1.1
Safari=3.0.4
Safari=1.2.2
Safari=3.0.1-beta
Safari=2.0.1
Safari=3.2.0b
Safari=5.0.1
Safari=2.0.3
Safari=1.0.3
Safari=2.0.2
Safari=1.0.2
Safari=3.0.0
Safari=3.0.1
Safari=3.1.2b
Safari=3.0.2
Safari=1.0
Safari=3.1.0b
Safari=3.1.0
Safari=5.0.3
Safari=5.0.2
Safari=3.0.3b
Safari=3.1.1
Safari=1.3
Safari=3.0.4
Safari=5.0.4
Safari=3.2.1b
Safari=3.0.3
Safari=2.0.3-417.9
Safari=1.2.5
Safari<=5.0.5
Safari=2.0.3-417.9.2
Safari=4.0.5
Safari=4.0-beta
Safari=2.0.4
Safari=3.0.3
Safari=3.2.2b
Safari=2.0
Safari=3.0.0b
Safari=1.2.4
Safari=1.0.1
Safari=2.0.3-417.8
Safari=3.1.2
Safari=4.0.3
Safari=3.0.3b
Safari=1.2.1
Safari=3.1.0b
Safari=1.0.3-85.8.1
Safari=3.1.1b
Safari=3.0.0
Safari=3.1.0
Safari=1.0-beta
Safari=4.1.1
Safari=2.0.4
Safari=3.0.1
Safari=1.0-beta2
Safari=1.1
Safari=1.3.2-312.5
Safari=3.2.2
Safari=3.0.0b
Safari=1.3.1
Safari=4.1
Safari=4.0
Safari=4.0.0b
Safari=2.0.0
Safari=3.2.0
Safari=1.1.0
Safari=3.0.2
Safari=3.0.2b
Safari=4.0.4
Safari=1.2
Safari=3.0.2b
Safari=3.0.1b
Safari=3.0.4b
Safari=1.2.0
Safari=3.0.1b
Safari=1.0b1
Safari=1.0.0b1
Safari=3.2.1
Safari=3.0
Safari=1.0.0
Safari=4.1.2
Safari=1.2.3
Safari=1.3.2-312.6
Safari=1.0.0b2

Event History

Mar 2, 2012
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2011-3443?

CVE-2011-3443 is classified as a critical vulnerability due to its potential to allow remote code execution.

2

How do I fix CVE-2011-3443?

To fix CVE-2011-3443, update Apple Safari to version 5.0.6 or later.

3

What systems are affected by CVE-2011-3443?

CVE-2011-3443 affects multiple versions of Apple Safari prior to 5.0.6.

4

What type of vulnerability is CVE-2011-3443?

CVE-2011-3443 is a use-after-free vulnerability related to improper management of CSS @font-face rules.

5

Can CVE-2011-3443 lead to denial of service attacks?

Yes, CVE-2011-3443 can cause denial of service through heap memory corruption and application crashes.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203