The sso_util program in Single Sign-On in Apple Mac OS X before 10.5.3 places passwords on the command line, which allows local users to obtain sensitive information by listing the process.

Mail in Apple Mac OS X before 10.5, when an IPv6 SMTP server is used, does not properly initialize memory, which might allow remote attackers to execute arbitrary code or cause a denial of service (application crash), or obtain sensitive information (memory contents) in opportunistic circumstances, by sending an e-mail message.

Unspecified vulnerability in the Apple Type Services (ATS) server in Apple Mac OS X 10.5 before 10.5.3 allows user-assisted remote attackers to execute arbitrary code via a crafted embedded font in a PDF document, related to memory corruption that occurs during printing.

Integer overflow in ImageIO in Apple Mac OS X before 10.5.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted JPEG2000 image that triggers a heap-based buffer overflow.

The BMP and GIF image decoding engine in ImageIO in Apple Mac OS X before 10.5.3 allows remote attackers to obtain sensitive information (memory contents) via a crafted (1) BMP or (2) GIF image, which causes an out-of-bounds read.