NULL Pointer Dereference and Crash Vulnerability in Irssi's nickcmp Function

CVE-2017-5193 · MEDIUM Severity

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

The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a nick.

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