Denial of Service Vulnerability in Pidgin's Yahoo! Protocol Plugin

CVE-2011-1091 · MEDIUM Severity

AV:N/AC:L/AU:S/C:N/I:N/A:P

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

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