Ubuntu Security Notice 1273-1 - Marius Wachtler discovered that Pidgin incorrectly handled malformed YMSG messages in the Yahoo! protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash, leading to a denial of service. This issue only affected Ubuntu 10.04 LTS and 10.10. Marius Wachtler discovered that Pidgin incorrectly handled HTTP 100 responses in the MSN protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash, leading to a denial of service. Various other issues were also addressed.
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