A libnettle security update has been released for openSUSE Leap 15.2.

openSUSE-SU-2021:0635-1: important: Security update for libnettle

openSUSE Security Update: Security update for libnettle
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Announcement ID: openSUSE-SU-2021:0635-1
Rating: important
References: #1184401
Cross-References: CVE-2021-20305
CVSS scores:
CVE-2021-20305 (NVD) : 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-20305 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
openSUSE Leap 15.2
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An update that fixes one vulnerability is now available.

Description:

This update for libnettle fixes the following issues:

- CVE-2021-20305: Fixed the multiply function which was being called with
out-of-range scalars (bsc#1184401).

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-635=1


Package List:

- openSUSE Leap 15.2 (i586 x86_64):

libhogweed4-3.4.1-lp152.4.3.1
libhogweed4-debuginfo-3.4.1-lp152.4.3.1
libnettle-debugsource-3.4.1-lp152.4.3.1
libnettle-devel-3.4.1-lp152.4.3.1
libnettle6-3.4.1-lp152.4.3.1
libnettle6-debuginfo-3.4.1-lp152.4.3.1
nettle-3.4.1-lp152.4.3.1
nettle-debuginfo-3.4.1-lp152.4.3.1

- openSUSE Leap 15.2 (x86_64):

libhogweed4-32bit-3.4.1-lp152.4.3.1
libhogweed4-32bit-debuginfo-3.4.1-lp152.4.3.1
libnettle-devel-32bit-3.4.1-lp152.4.3.1
libnettle6-32bit-3.4.1-lp152.4.3.1
libnettle6-32bit-debuginfo-3.4.1-lp152.4.3.1

References:

  https://www.suse.com/security/cve/CVE-2021-20305.html
  https://bugzilla.suse.com/1184401