CVE-2000-0333

Exp

tcpdump, Ethereal, and other sniffer packages allow remote attackers to cause a denial of service via malformed DNS packets in which a jump offset refers to itself, which causes tcpdump to enter an infinite loop while decompressing the packet.

Published: 1999-05-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-0333 is rated High Exploit Risk (70.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.88%, 91th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.49% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2000-0333

EDB-ID Source Kind Published Link
19892 exploit_db edb 1999-05-31 Exploit-DB ↗
19891 exploit_db edb 1999-05-31 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-0333

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-20 3.40% 6.88% +3.49%
2 2025-05-10 5.38% 3.40% -1.98%
3 2025-03-30 — 5.38% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-0333

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2000-0333

Affected software / configurations for CVE-2000-0333

Vendor Product Version Raw CPE
ethereal_group ethereal 0.8.4 cpe:2.3:a:ethereal_group:ethereal:0.8.4:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.5 cpe:2.3:a:ethereal_group:ethereal:0.8.5:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.6 cpe:2.3:a:ethereal_group:ethereal:0.8.6:*:*:*:*:*:*:*
lbl tcpdump 3.4 cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*
lbl tcpdump 3.5a cpe:2.3:a:lbl:tcpdump:3.5a:*:*:*:*:*:*:*

References for CVE-2000-0333

cvelogic Threat Intelligence