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Vulnerability of WeeChat: buffer overflow via irc_mode_channel_update

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via irc_mode_channel_update() of WeeChat, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Debian, openSUSE Leap, SLES.
Severity of this alert: 3/4.
Creation date: 28/02/2020.
Références of this alert: CVE-2020-8955, DLA-2157-1, openSUSE-SU-2020:0248-1, VIGILANCE-VUL-31703.

Description of the vulnerability 

An attacker can trigger a buffer overflow via irc_mode_channel_update() of WeeCh...
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This vulnerability impacts software or systems such as Debian, openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this security announce is important.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this computer vulnerability note.

Solutions for this threat 

This vulnerability solution will be public soon.
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