CVE-2008-3530

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-09-05 · updated 2026-06-16
Weakness: CWE-20

Description

sys/netinet6/icmp6.c in the kernel in FreeBSD 6.3 through 7.1, NetBSD 3.0 through 4.0, and possibly other operating systems does not properly check the proposed new MTU in an ICMPv6 Packet Too Big Message, which allows remote attackers to cause a denial of service (panic) via a crafted Packet Too Big Message.

Affected products

FreeBSD: 6.3, 7.0, 7.1

References

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://secunia.com/advisories/31745
http://secunia.com/advisories/32401
http://secunia.com/advisories/35074
http://security.freebsd.org/advisories/FreeBSD-SA-08:09.icmp6.asc
http://support.apple.com/kb/HT3467
http://support.apple.com/kb/HT3549
http://www.securityfocus.com/bid/31004
http://www.securitytracker.com/id?1020820
http://www.securitytracker.com/id?1021111
http://www.us-cert.gov/cas/techalerts/TA09-133A.html

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