CVE-2002-0574 — 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

Back Back to CVE browser

MEDIUM

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

Published Apr 2, 2003

5.0

MEDIUM

CVSS 2.0

EPSS 1.96%

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

Remediation

No remediation recorded yet.

Metrics

1.96% 0.01960

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01960

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.96% (0.01960)	79.59th	v5 (v2026.06.15)
Jun 15, 2026	1.96% (0.01960)	77.65th	v5 (v2026.06.15)
Mar 17, 2025	1.10% (0.01099)	76.49th	v4 (v2025.03.14)
Dec 12, 2024	0.64% (0.00644)	79.96th	v3 (v2023.03.01)
May 3, 2024	0.64% (0.00644)	79.14th	v3 (v2023.03.01)
Jan 27, 2024	0.64% (0.00644)	77.09th	v3 (v2023.03.01)
Mar 7, 2023	0.84% (0.00837)	79.45th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (1)

CWE-401

References (4)

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:21.tcpip.asc
vendor-advisoryx_refsource_FREEBSDBroken LinkPatchVendor Advisory
http://www.iss.net/security_center/static/8893.php
vdb-entryx_refsource_XFBroken Link
http://www.osvdb.org/5232
vdb-entryx_refsource_OSVDBBroken Link
http://www.securityfocus.com/bid/4539
vdb-entryx_refsource_BIDBroken LinkPatchThird Party AdvisoryVDB EntryVendor Advisory

Link	Providers	Tags
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:21.tcpip.asc		vendor-advisoryx_refsource_FREEBSDBroken LinkPatchVendor Advisory
http://www.iss.net/security_center/static/8893.php		vdb-entryx_refsource_XFBroken Link
http://www.osvdb.org/5232		vdb-entryx_refsource_OSVDBBroken Link
http://www.securityfocus.com/bid/4539		vdb-entryx_refsource_BIDBroken LinkPatchThird Party AdvisoryVDB EntryVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 2, 2003

Updated Aug 8, 2024

Reserved Jun 11, 2002

Link CVE-2002-0574

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0574

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0574