CVE-2011-1547: Netbsd

Medium severity, CVSS 6.8. EPSS: 5.1% chance of exploitation in the next 30 days.

Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a crafted (1) IPv4 or (2) IPv6 packet with nested IPComp headers.

Affected products

• Netbsd Netbsd: version 4.0 only; version 5.0 only; version 5.0.1 only; version 5.0.2 only; version 5.1 only

Published 2011-05-09. Last modified 2026-06-16.