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Vulnerability record · CVE-2000-0333 · published 31 May 1999

CVE-2000-0333: Ethereal group ethereal vulnerability

Ethereal Group · Ethereal

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.

5.0 CVSS 2.0 Medium EPSS 7.6% · top 5.7%
5.0CVSS 2.0 base score
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/1165 ExploitPatchVendor Advisory
http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.SOL.4.10.10005021942380.2077-100000%40paranoia.pgci.
http://www.securityfocus.com/bid/1165 ExploitPatchVendor Advisory
http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.SOL.4.10.10005021942380.2077-100000%40paranoia.pgci.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2006-3628Ethereal group ethereal vulnerabilityMultiple format string vulnerabilities in Wireshark (aka Ethereal) 0.10.x to 0.99.0 allow remote attackers to cause a denial of service and possibly …EPSS 6.0%10.0CVE-2006-3632Ethereal group ethereal memory buffer overflow vulnerabilityBuffer overflow in Wireshark (aka Ethereal) 0.8.16 to 0.99.0 allows remote attackers to cause a denial of service and possibly execute arbitrary code…EPSS 7.5%10.0CVE-2006-1932Ethereal group ethereal vulnerabilityOff-by-one error in the OID printing routine in Ethereal 0.10.x up to 0.10.14 has unknown impact and remote attack vectors.EPSS 2.6%10.0CVE-2005-3184Ethereal group ethereal vulnerabilityBuffer overflow vulnerability in the unicode_to_bytes in the Service Location Protocol (srvloc) dissector (packet-srvloc.c) in Ethereal allows remote…EPSS 7.6%10.0CVE-2004-0507Ethereal group ethereal vulnerabilityBuffer overflow in the MMSE dissector for Ethereal 0.10.1 to 0.10.3 allows remote attackers to cause a denial of service and possibly execute arbitra…EPSS 7.6%10.0CVE-2003-0431Ethereal group ethereal vulnerabilityThe tvb_get_nstringz0 function in Ethereal 0.9.12 and earlier does not properly handle a zero-length buffer size, with unknown consequences.EPSS 2.3%10.0CVE-2003-0432Ethereal group ethereal vulnerabilityEthereal 0.9.12 and earlier does not handle certain strings properly, with unknown consequences, in the (1) BGP, (2) WTP, (3) DNS, (4) 802.11, (5) IS…EPSS 2.3%10.0CVE-2000-1026Lbl tcpdump vulnerabilityMultiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands.EPSS 6.0%

Source: NIST National Vulnerability Database (record CVE-2000-0333), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.