CVE-2018-5206: Null Pointer Dereference
Published Jan 6, 2018
·Updated
When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
Affected Software
7 affected componentsFixes available
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
1.2.3-11.4.3-21.4.5-1
Irssi irssi<1.0.6
Debian Debian Linux=9.0
Remediation
Patch Available
Event History
Jan 6, 2018
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
Description
Aug 5, 2024
Data Sourced
via Launchpad·05:39 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2018-5206?
CVE-2018-5206 is considered a medium severity vulnerability due to potential NULL pointer dereference leading to crashes.
2
How do I fix CVE-2018-5206?
To mitigate CVE-2018-5206, upgrade Irssi to version 1.0.6 or later.
3
Which versions of Irssi are affected by CVE-2018-5206?
Irssi versions prior to 1.0.6 are vulnerable to CVE-2018-5206.
4
On which operating systems does CVE-2018-5206 affect Irssi?
CVE-2018-5206 affects Irssi installations on Debian and various Ubuntu distributions before the specified patched versions.
5
What kind of attack can exploit CVE-2018-5206?
CVE-2018-5206 can be exploited by attackers who can manipulate the channel topic without a sender, potentially crashing the application.