First published: Sat Jan 06 2018(Updated: )
When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Irssi Irssi | <1.0.6 | |
Debian Debian Linux | =9.0 | |
ubuntu/irssi | <1.0.4-1ubuntu2.2 | 1.0.4-1ubuntu2.2 |
ubuntu/irssi | <0.8.15-5ubuntu3.4 | 0.8.15-5ubuntu3.4 |
ubuntu/irssi | <0.8.19-1ubuntu1.6 | 0.8.19-1ubuntu1.6 |
ubuntu/irssi | <0.8.20-2ubuntu2.3 | 0.8.20-2ubuntu2.3 |
debian/irssi | 1.2.3-1 1.4.3-2 1.4.5-1 | |
Debian | =9.0 |
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CVE-2018-5206 is considered a medium severity vulnerability due to potential NULL pointer dereference leading to crashes.
To mitigate CVE-2018-5206, upgrade Irssi to version 1.0.6 or later.
Irssi versions prior to 1.0.6 are vulnerable to CVE-2018-5206.
CVE-2018-5206 affects Irssi installations on Debian and various Ubuntu distributions before the specified patched versions.
CVE-2018-5206 can be exploited by attackers who can manipulate the channel topic without a sender, potentially crashing the application.