CVE-2010-0582: Cisco IOS

High severity, CVSS 7.8. EPSS: 2.4% chance of exploitation in the next 30 days.

Cisco IOS 12.1 through 12.4, and 15.0M before 15.0(1)M1, allows remote attackers to cause a denial of service (interface queue wedge) via malformed H.323 packets, aka Bug ID CSCta19962.

Affected products

• Cisco IOS: version 12.1xu only; version 12.1yd only; version 12.2b only; version 12.2bw only; version 12.2bx only; version 12.2by only; …

Published 2010-03-25. Last modified 2026-06-16.