CVE-2003-1177

HighCVSS 7.5/10Last modified Jun 16, 2026

Description

Buffer overflow in the base64 decoder in MERCUR Mailserver 4.2 before SP3a allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) AUTH command to the POP3 server or (2) AUTHENTICATE command to the IMAP server.

Metrics

CVSS 2.0 7.5/10AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected software

No affected versions have been published.

Timeline

Published
Dec 31, 2003
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2003-1177: High severity, CVSS 7.5 | Vulnix