An issue was discovered in Irssi before 1.0.4. While updating the internal nick list, Irssi could incorrectly use the GHashTable interface and free the nick while updating it. This would then result in use-after-free conditions on each access of the hash table.
Se detectó un problema en Irssi anterior a versión 1.0.4. Al actualizar la lista de nick interna, Irssi podría usar incorrectamente la interfaz de GHashTable y liberar el nick al actualizarlo. Esto resultaría luego en condiciones de uso de memoria previamente liberada en cada acceso de la tabla de hash.
Brian Carpenter discovered that Irssi incorrectly handled messages with invalid time stamps. A malicious IRC server could use this issue to cause Irssi to crash, resulting in a denial of service. Brian Carpenter discovered that Irssi incorrectly handled the internal nick list. A malicious IRC server could use this issue to cause Irssi to crash, resulting in a denial of service. Joseph Bisch discovered that Irssi incorrectly removed destroyed channels from the query list. A malicious IRC server could use this issue to cause Irssi to crash, resulting in a denial of service. Various other issues were also addressed.
