CVE-2010-0576: Cisco IOS

High severity, CVSS 7.8. EPSS: 3% chance of exploitation in the next 30 days.

Unspecified vulnerability in Cisco IOS 12.0 through 12.4, IOS XE 2.1.x through 2.3.x before 2.3.2, and IOS XR 3.2.x through 3.4.3, when Multiprotocol Label Switching (MPLS) and Label Distribution Protocol (LDP) are enabled, allows remote attackers to cause a denial of service (device reload or process restart) via a crafted LDP packet, aka Bug IDs CSCsz45567 and CSCsj25893.

Affected products

• Cisco IOS: version 12.0s only; version 12.0sl only; version 12.0sx only; version 12.0sy only; version 12.0sz only; version 12.1ax only; …
• Cisco IOS XE: version 2.1 only; version 2.2 only; version 2.3 only
• Cisco IOS XR: version 3.2 only; version 3.2.1 only; version 3.2.2 only; version 3.2.4 only; version 3.2.50 only; version 3.3.0 only; …

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