CVE-2002-2338

mediumpriority · track · 31EPSS 0.039 · 90 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

3.88% (90th) EPSS

CVSS 5 · medium

Is it mine?

34 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

The POP3 mail client in Mozilla 1.0 and earlier, and Netscape Communicator 4.7 and earlier, allows remote attackers to cause a denial of service (no new mail) via a mail message containing a dot (.) at a newline, which is interpreted as the end of the message.

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-20USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-21539Netscape 4.x/6.x / Mozilla 0.9.x - Malformed Email POP3 Denial of Servicefunctional · exploit_db

affected products (34)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
mozilla mozilla= 0.9.2nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.2.1nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.3nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.4nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.4.1nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.5nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.6nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.7nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.8nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 0.9.9nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
mozilla mozilla= 1.0nvdUScpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
netscape communicator= 4.0nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.06nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.07nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.08nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.4nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.5nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.51nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.6nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*

showing 20 of 34

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 2002-12-31modified 2026-06-16

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+25188 more

references (14)

External citations — patches, advisories, analysis.

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