Eudora before 6.1.1 allows remote attackers to cause a denial of service (crash) via an e-mail with a long "To:" field, possibly due to a buffer overflow.
Buffer overflow in Eudora for Windows 5.2.1, 6.0.3, and 6.1 allows remote attackers to execute arbitrary code via an e-mail with (1) a link to a long URL to the C drive or (2) a long attachment name.
Untrusted search path vulnerability in Qualcomm qpopper 4.0 through 4.05 allows local users to execute arbitrary code by modifying the PATH environment variable to reference a malicious smbpasswd program.
The IMAP Client for Sylpheed 0.8.11 allows remote malicious IMAP servers to cause a denial of service (crash) via certain large literal size values that cause either integer signedness errors or integer overflow errors.
The IMAP Client for Eudora 5.2.1 allows remote malicious IMAP servers to cause a denial of service and possibly execute arbitrary code via certain large literal size values that cause either integer signedness errors or integer overflow errors.
Buffer overflow in Eudora 5.2.1 allows remote attackers to cause a denial of service (crash and failed restart) and possibly execute arbitrary code via an Attachment Converted argument with a large number of . (dot) characters.
Qualcomm Eudora 5.2.1 allows remote attackers to read arbitrary files via an email message with a carriage return (CR) character in a spoofed "Attachment Converted:" string, which is not properly handled by Eudora.
The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to Qvsnprintf, which could allow authenticated users to execute arbitrary code via a buffer overflow in a mdef command with a long macro name.
Qualcomm Eudora 5.1 allows remote attackers to execute arbitrary code via an HTML e-mail message that uses a file:// URL in a t:video tag to reference an attached Windows Media Player file containing JavaScript code, which is launched and executed in the My Computer zone by Internet Explorer.