CVE-2006-0381
A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2006-0381- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-0381- Updated
- 2026-11-02
EUVDEUVD-2006-0388 No score
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.
- Record
EUVD-2006-0388- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4x4x-qj57-37wg No score
A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and...
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.
- Record
GHSA-4x4x-qj57-37wg- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-0381 is a medium vulnerability (CVSS 5.0) in Freebsd, published January 25, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.60%, the 93rd percentile. No source names a fixed version.
References
securityfocus.com/bid/16375
securitytracker.com/id?1015542
secunia.com/advisories/18609
exchange.xforce.ibmcloud.com/vulnerabilities/24337
osvdb.org/22732
openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104
nvd.nist.gov/vuln/detail/CVE-2006-0381
github.com/advisories/GHSA-4x4x-qj57-37wg