CVE-1999-1033

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 17.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2001-09-12 · updated 2026-06-16

Description

Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.

Affected products

Microsoft Outlook Express: through 4.72.3612.1700; 4.27.3110.1, 4.72.3120.0

References

http://marc.info/?l=bugtraq&m=92647407427342&w=2
http://marc.info/?l=bugtraq&m=92663402004275&w=2
http://www.securityfocus.com/bid/252
http://marc.info/?l=bugtraq&m=92647407427342&w=2
http://marc.info/?l=bugtraq&m=92663402004275&w=2
http://www.securityfocus.com/bid/252

Get alerted when CVE-1999-1033 or the next vulnerability affects your stack