CVE-2003-1263: Brown Bear Software Ical

Medium severity, CVSS 5.0. EPSS: 7.8% chance of exploitation in the next 30 days.

ICAL.EXE in iCal 3.7 allows remote attackers to cause a denial of service (crash) via a malformed HTTP request, possibly due to an invalid method name.

Affected products

Published 2003-12-31. Last modified 2026-06-16.