CVE-2006-0381

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-01-25 · updated 2026-06-16

Description

A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.

Affected products

FreeBSD: 5.3, 5.3-release, 5.3-releng, 5.3-stable, 5.4-pre-release, 5.4-release (+3)

References

http://secunia.com/advisories/18609
http://securitytracker.com/id?1015542
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104
http://www.osvdb.org/22732
http://www.securityfocus.com/bid/16375
https://exchange.xforce.ibmcloud.com/vulnerabilities/24337
http://secunia.com/advisories/18609
http://securitytracker.com/id?1015542

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