CVE-2020-16118

HIGH

GNOME Balsa < 2.6.0 - Denial of Service via IMAP PREAUTH Response

Title source: llm
STIX 2.1

Description

In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.

References (4)

Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/balsa/-/issues/23
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00035.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00045.html

Scores

CVSS v3 7.5
EPSS 0.0062
EPSS Percentile 70.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (3)
gnome/balsa < 2.6.0
opensuse/backports_sle 15.0 sp1
opensuse/leap 15.1
Published Jul 29, 2020
Tracked Since Feb 18, 2026