Unrated severityNVD Advisory· Published Jul 3, 2002· Updated Jun 16, 2026

CVE-2002-0574

Description

Memory leak in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service (memory exhaustion) via ICMP echo packets that trigger a bug in ip_output() in which the reference count for a routing table entry is not decremented, which prevents the entry from being removed.

Affected products

FreeBSD/FreeBSD2 versions
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*range: <=4.5
- (no CPE)range: <=4.5

Patches

Vulnerability mechanics

References

ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:21.tcpip.ascnvdBroken LinkPatchVendor Advisory
www.securityfocus.com/bid/4539nvdBroken LinkPatchThird Party AdvisoryVDB EntryVendor Advisory
www.iss.net/security_center/static/8893.phpnvdBroken Link
www.osvdb.org/5232nvdBroken Link

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000