How severe is CVE-1999-1024?

CVE-1999-1024 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-1024 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1024?

CVE-1999-1024 affects Lbl Tcpdump. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1024?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-1024 published?

CVE-1999-1024 was published on 2001-11-28 and last updated on 2026-06-16.

CVE-1999-1024

CVE-1999-1024 is a high-severity vulnerability in Lbl Tcpdump with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lbl Tcpdump
Published: 2001-11-28
Last modified: 2026-06-16

Description

ip_print procedure in Tcpdump 3.4a allows remote attackers to cause a denial of service via a packet with a zero length header, which causes an infinite loop and core dump when tcpdump prints the packet.

Frequently asked questions

What is CVE-1999-1024?: ip_print procedure in Tcpdump 3.4a allows remote attackers to cause a denial of service via a packet with a zero length header, which causes an infinite loop and core dump when tcpdump prints the packet.
How severe is CVE-1999-1024?: CVE-1999-1024 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-1024 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1024?: CVE-1999-1024 affects Lbl Tcpdump. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1024?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-1024 published?: CVE-1999-1024 was published on 2001-11-28 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*

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