CVE-2000-0333

mediumpriority · track · 33EPSS 0.076 · 95 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

7.58% (95th) EPSS

CVSS 5 · medium

Is it mine?

6 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-835USLLM-inferred

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-19891Ethereal 0.8.4/0.8.5/0.8.6 / tcpdump 3.4/3.5 alpha - DNS Decode (1)functional · exploit_db
EDB-19892Ethereal 0.8.4/0.8.5/0.8.6 / tcpdump 3.4/3.5 alpha - DNS Decode (2)functional · exploit_db

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ethereal group ethereal= 0.8.4nvdUScpe:2.3:a:ethereal_group:ethereal:*:*:*:*:*:*:*:*
ethereal group ethereal= 0.8.5nvdUScpe:2.3:a:ethereal_group:ethereal:*:*:*:*:*:*:*:*
ethereal group ethereal= 0.8.6nvdUScpe:2.3:a:ethereal_group:ethereal:*:*:*:*:*:*:*:*
lbl tcpdump= 3.4nvdUScpe:2.3:a:lbl:tcpdump:*:*:*:*:*:*:*:*
lbl tcpdump= 3.5anvdUScpe:2.3:a:lbl:tcpdump:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 1999-05-31modified 2026-06-16

references (4)

External citations — patches, advisories, analysis.

scry

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