SUSE SLED15 / SLES15 Security Update : libidn2 (SUSE-SU-2019:3086-1)

critical Nessus Plugin ID 131548


The remote SUSE host is missing one or more security updates.


This update for libidn2 to version 2.2.0 fixes the following issues :

CVE-2019-12290: Fixed an improper round-trip check when converting A-labels to U-labels (bsc#1154884).

CVE-2019-18224: Fixed a heap-based buffer overflow that was caused by long domain strings (bsc#1154887).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-3086=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-3086=1

SUSE Linux Enterprise Module for Basesystem 15-SP1:zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-3086=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-3086=1

See Also

Plugin Details

Severity: Critical

ID: 131548

File Name: suse_SU-2019-3086-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/3/2019

Updated: 1/13/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libidn2, p-cpe:/a:novell:suse_linux:libidn2-0, p-cpe:/a:novell:suse_linux:libidn2-0-32bit-debuginfo, p-cpe:/a:novell:suse_linux:libidn2-0-debuginfo, p-cpe:/a:novell:suse_linux:libidn2-debugsource, p-cpe:/a:novell:suse_linux:libidn2-devel, p-cpe:/a:novell:suse_linux:libidn2-tools, p-cpe:/a:novell:suse_linux:libidn2-tools-debuginfo, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/28/2019

Vulnerability Publication Date: 10/21/2019

Reference Information

CVE: CVE-2019-12290, CVE-2019-18224