CVE-2007-3443: Research In Motion Limited Blackberry 7270

Low severity, CVSS 2.3. EPSS: 0.6% chance of exploitation in the next 30 days.

The Research in Motion BlackBerry 7270 before 4.0 SP1 Bundle 108 does not properly manage transaction states, which allows remote attackers to cause a denial of service (temporary device hang) by sending a certain SIP INVITE message, but not providing an ACK when the call is answered.

Affected products

• Research In Motion Limited Blackberry 7270: up to and including 4.0_sp1_bundle_83

Published 2007-06-27. Last modified 2026-06-16.