How severe is CVE-2002-0574?

CVE-2002-0574 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-0574 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0574?

CVE-2002-0574 affects Freebsd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0574?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-0574 published?

CVE-2002-0574 was published on 2002-07-03 and last updated on 2026-06-16.

CVE-2002-0574

CVE-2002-0574 is a medium-severity vulnerability in Freebsd with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Freebsd
Published: 2002-07-03
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2002-0574?: CVE-2002-0574 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-0574 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0574?: CVE-2002-0574 affects Freebsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0574?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0574 published?: CVE-2002-0574 was published on 2002-07-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*

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