CVE-2002-2338 json
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 se…
published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-2316
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
Timeline
- First public exploit (EDB-21539)
- Published
Exploit prediction
3.88% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-21539 Netscape 4.x/6.x / Mozilla 0.9.x - Malformed Email POP3 Denial of Service dos, 2002-06-12
- securityfocus.com http://www.securityfocus.com/bid/5002 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
securityfocus.com
/bid/5002
vdb-entry, exploit, patch
-
mandrakesoft.com
/security/advisories?name=MDKSA-2002:074
vendor-advisory
-
securityfocus.com
/archive/1/276946
mailing-list
-
online.securityfocus.com
/archive/1/276628
mailing-list
- bugzilla.mozilla.org /show_bug.cgi?id=144228
- mozilla.org /releases/mozilla1.0.1/security-fixes-1.0.1.html
-
iss.net
/security_center/static/9343.php
vdb-entry
Sources
- CVE List CVE-2002-2338
- NVD CVE-2002-2338
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