Directory Services in Apple Mac OS X before 10.6.3 does not properly perform authorization during processing of record names, which allows local users to gain privileges via unspecified vectors.

iChat Server in Apple Mac OS X Server before 10.6.3, when group chat is used, does not perform logging for all types of messages, which might allow remote attackers to avoid message auditing via an unspecified selection of message type.

Server Admin in Apple Mac OS X Server 10.5.8 does not properly determine the privileges of users who had former membership in the admin group, which allows remote authenticated users to leverage this former membership to obtain a server connection via screen sharing.

Multiple stack-based buffer overflows in iChat Server in Apple Mac OS X Server before 10.6.3 allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.

Wiki Server in Apple Mac OS X 10.5.8 does not restrict the file types of uploaded files, which allows remote attackers to obtain sensitive information or possibly have unspecified other impact via a crafted file, as demonstrated by a Java applet.

SFLServer in OS Services in Apple Mac OS X before 10.6.3 allows local users to gain privileges via vectors related to use of wheel group membership during access to the home directories of user accounts.

Mail in Apple Mac OS X before 10.6.3 does not properly enforce the key usage extension during processing of a keychain that specifies multiple certificates for an e-mail recipient, which might make it easier for remote attackers to obtain sensitive information via a brute-force attack on a weakly encrypted e-mail message.

xar in Apple Mac OS X 10.5.8 does not properly validate package signatures, which allows attackers to have an unspecified impact via a modified package.

Heap-based buffer overflow in ImageIO in Apple Mac OS X before 10.6.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted JP2 (JPEG2000) image, related to incorrect calculation and the CGImageReadGetBytesAtOffset function.

Stack-based buffer overflow in PS Normalizer in Apple Mac OS X before 10.6.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PostScript document.