Integer overflow in the CYImage::LoadJPG method in YImage.dll in Yahoo! Messenger before 11.5.0.155, when photo sharing is enabled, might allow remote attackers to execute arbitrary code via a crafted JPG image that triggers a heap-based buffer overflow.

Buffer overflow in Yahoo! Messenger 8.1 allows user-assisted remote authenticated users to execute arbitrary code via a long e-mail address in an address book entry. NOTE: this might overlap CVE-2007-3638.

Buffer overflow in Yahoo! Messenger 8.1 allows user-assisted remote authenticated users, who are listed in an address book, to execute arbitrary code via unspecified vectors, aka ZD-00000005. NOTE: this information is based upon a vague advisory by a vulnerability information sales organization that does not coordinate with vendors or release actionable advisories. A CVE has been assigned for tracking purposes, but duplicates with other CVEs are difficult to determine.