CVE-2011-3443

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-03-02 · updated 2026-06-16
Weakness: CWE-399

Description

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 products

Apple Safari: through 5.0.5; 1.0, 1.0-beta, 1.0-beta2, 1.0.0, 1.0.0b1, 1.0.0b2 (+71)

References

http://support.apple.com/kb/HT4808
http://www.verisigninc.com/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml?id=962
http://support.apple.com/kb/HT4808
http://www.verisigninc.com/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml?id=962

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