Apple has released iOS 4.3.5 for iPad, iPod touch, and GSM /AT&T iPhone 4 and iPhone 3GS, and iOS 4.2.10 for Verizon iPhone, which fixes a security vulnerability with certificate validation.

Impact: An attacker with a privileged network position may capture or modify data in sessions protected by SSL/TLS Description: A certificate chain validation issue existed in the handling of X.509 certificates. An attacker with a privileged network position may capture or modify data in sessions protected by SSL/TLS. Other attacks involving X.509 certificate validation may also be possible. This issue is addressed through improved validation of X.509 certificate chains. CVE-ID

This latest release arrives just 10 days after Apple plugged the jailbreakme PDF exploit with the release of iOS 4.3.4.

Plug into iTunes and check for updates to get it. As always, if you’re Jailbroken already, stay away or you’ll lose your Jailbreak.

[Apple knowledge base article]