Microsoft Windows Security Bulletin Summary for October 2003 that covers MS03-041, the vulnerability in Authenticode Verification that could allow remote code execution, MS03-042, the buffer overflow in ActiveX that could allow code execution, MS03-043, the buffer overrun in its Messenger Service, and MS03-044, the buffer overrun in the Windows Help and Support Center.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31822/winoct03.txt
Source: https://packetstormsecurity.com/files/31822/winoct03.txt.html