Fixes the following security issues:
Use after free when server is disconnected during netsplits. Incomplete fix
of CVE-2017-7191. Found by Joseph Bisch. (CWE-416, CWE-825) -
CVE-2018-7054 [2] was assigned to this issue.
Use after free when SASL messages are received in unexpected order. Found
by Joseph Bisch. (CWE-416, CWE-691) - CVE-2018-7053 [3] was assigned to
this issue.
Null pointer dereference when an “empty” nick has been observed by Irssi.
Found by Joseph Bisch. (CWE-476, CWE-475) - CVE-2018-7050 [4] was assigned
to this issue.
When the number of windows exceed the available space, Irssi would crash due
to Null pointer dereference. Found by Joseph Bisch. (CWE-690) -
CVE-2018-7052 [5] was assigned to this issue.
Certain nick names could result in out of bounds access when printing theme
strings. Found by Oss-Fuzz. (CWE-126) - CVE-2018-7051 [6] was assigned to
this issue.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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