CVE-2011-1344: Apple iPhone OS

Medium severity, CVSS 6.8. EPSS: 5.9% chance of exploitation in the next 30 days.

Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.

Affected products

  • Apple iPhone OS: up to and including 4.3.1; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.1.0 only; version 1.1.1 only; …
  • Apple Safari: up to and including 5.0.4; version 1.0 only; version 1.0.0 only; version 1.0.0b1 only; version 1.0.0b2 only; version 1.0.1 only; …

Published 2011-03-10. Last modified 2026-06-16.