More info on the update is here:
http://docs.info.apple.com/article.html?artnum=61798
Security Update 2004-09-30 (released 2004-10-04)
AFP Server
Available for: Mac OS X v10.3.5 and Mac OS X Server v10.3.5
CVE-ID: CAN-2004-0921
Impact: A denial of service permitting a guest to disconnect AFP volumes
Description: An AFP volume mounted by a guest could be used to terminate authenticated user mounts from the same server by modifying SessionDestroy packets. This issue does not affect systems prior to Mac OS X v10.3 or Mac OS X Server v10.3.
AFP Server
Available for: Mac OS X v10.3.5 and Mac OS X Server v10.3.5
CVE-ID: CAN-2004-0922
Impact: Write-only AFP Drop Box may be set as read-write
Description: A write-only Drop Box on an AFP volume mounted by a guest could sometimes be read-write due to an incorrect setting of the guest group id. This issue does not affect systems prior to Mac OS X v10.3 or Mac OS X Server v10.3.
CUPS
Available for: Mac OS X v10.3.5, Mac OS X Server v10.3.5, Mac OS X v10.2.8, Mac OS X Server v10.2.8
CVE-ID: CAN-2004-0558
Impact: A denial of service causing the printing system to hang
Description: The Internet Printing Protocol (IPP) implementation in CUPS can hang when a certain UDP packet is sent to the IPP port.
CUPS
Available for: Mac OS X v10.3.5, Mac OS X Server v10.3.5, Mac OS X v10.2.8, Mac OS X Server v10.2.8
CVE-ID: CAN-2004-0923
Impact: Local disclosure of user passwords
Description: Certain methods of authenticated remote printing could disclose user passwords in the printing system log files. Credit to Gary Smith of the IT Services department at Glasgow Caledonian University for reporting this issue.
NetInfoManager
Available for: Mac OS X v10.3.5 and Mac OS X Server v10.3.5
CVE-ID: CAN-2004-0924
Impact: Incorrect indication of account status
Description: The NetInfo Manager utility can enable the "root" account, but after a single "root" login it is no longer possible to use NetInfo Manager to disable the account and it incorrectly appears to be disabled. This issue does not affect systems prior to Mac OS X v10.3 or Mac OS X Server v10.3.
postfix
Available for: Mac OS X v10.3.5 and Mac OS X Server v10.3.5
CVE-ID: CAN-2004-0925
Impact: A denial of service when SMTPD AUTH has been enabled
Description: When SMTPD AUTH has been enabled in postfix, a buffer containing the username is not correctly cleared between authentication attempts. Only users with the longest usernames will be able to authenticate. This issue does not affect systems prior to Mac OS X v10.3 or Mac OS X Server v10.3. Credit to Michael Rondinelli of EyeSee360 for reporting this issue.
QuickTime
Available for: Mac OS X v10.3.5, Mac OS X Server v10.3.5, Mac OS X v10.2.8, Mac OS X Server v10.2.8
CVE-ID: CAN-2004-0926
Impact: A heap buffer overflow could allow attackers to execute arbitrary code
Description: Flaws in decoding the BMP image type could overwrite heap memory and potentially allow the execution of arbitrary code hidden in an image.
ServerAdmin
Available for: Mac OS X Server v10.3.5 and Mac OS X Server v10.2.8
CVE-ID: CAN-2004-0927
Impact: Client - Server communication with ServerAdmin can be read by decoding captured sessions
Description: Client - Server communication with ServerAdmin uses SSL. All systems come installed with the same example self signed certificate. If that certificate has not been replaced, then ServerAdmin communication may be decrypted. The fix replaces the existing self-signed certificate with one that has been locally and uniquely generated.