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Vulnerability of GNOME Balsa: NULL pointer dereference via imap_mbox_connect

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via imap_mbox_connect() of GNOME Balsa, in order to trigger a denial of service.
Impacted systems: openSUSE Leap, SLES.
Severity of this alert: 2/4.
Creation date: 17/08/2020.
Références of this alert: CVE-2020-16118, openSUSE-SU-2020:1207-1, openSUSE-SU-2020:1230-1, VIGILANCE-VUL-33083.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via imap_mbox_connect() of GNOME Balsa, in order to trigger a denial of service.
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This cybersecurity announce impacts software or systems such as openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this threat alert is medium.

The trust level is of type confirmed by the editor, with an origin of intranet server.

An attacker with a expert ability can exploit this computer weakness alert.

Solutions for this threat 

openSUSE Leap 15.1: new balsa packages.
New packages are available:
  openSUSE Leap 15.1: balsa 2.5.5-lp151.3.3.1

SUSE LE 15 SP1: new balsa packages.
New packages are available:
  SUSE LE 15 SP1: balsa 2.5.5-bp151.4.3.1
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