How severe is CVE-2000-1026?

CVE-2000-1026 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-1026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-1026?

CVE-2000-1026 primarily affects Lbl Tcpdump. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-1026?

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

When was CVE-2000-1026 published?

CVE-2000-1026 was published on 2000-12-11 and last updated on 2026-06-16.

CVE-2000-1026

CVE-2000-1026 is a critical-severity vulnerability in Lbl Tcpdump with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lbl Tcpdump
Published: 2000-12-11
Last modified: 2026-06-16

Description

Multiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands.

Frequently asked questions

What is CVE-2000-1026?: Multiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands.
How severe is CVE-2000-1026?: CVE-2000-1026 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-1026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1026?: CVE-2000-1026 primarily affects Lbl Tcpdump. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-1026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-1026 published?: CVE-2000-1026 was published on 2000-12-11 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*
cpe:2.3:a:lbl:tcpdump:3.4a6:*:*:*:*:*:*:*
cpe:2.3:a:lbl:tcpdump:3.5:*:*:*:*:*:*:*
cpe:2.3:a:lbl:tcpdump:3.5_alpha:*:*:*:*:*:*:*

More vulnerabilities in Lbl Tcpdump

CVE-2002-1350 — High (CVSS 7.5): The BGP decoding routines in tcpdump 3.6.x before 3.7 do not properly copy data, which allows remote attackers to cause…
CVE-2002-0380 — High (CVSS 7.5): Buffer overflow in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service and possibly execute…
CVE-1999-1024 — High (CVSS 7.5): ip_print procedure in Tcpdump 3.4a allows remote attackers to cause a denial of service via a packet with a zero length…
CVE-2001-1279 — High (CVSS 7.5): Buffer overflow in print-rx.c of tcpdump 3.x (probably 3.6x) allows remote attackers to cause a denial of service and…
CVE-2005-1267 — Medium (CVSS 5.0): The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4…
CVE-2005-1278 — Medium (CVSS 5.0): The isis_print function, as called by isoclns_print, in tcpdump 3.9.1 and earlier allows remote attackers to cause a…

All CVEs affecting Lbl Tcpdump →