A libnettle security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:2143-1: important: Security update for libnettle

openSUSE Security Update: Security update for libnettle
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Announcement ID: openSUSE-SU-2021:2143-1
Rating: important
References: #1187060
Cross-References: CVE-2021-3580
CVSS scores:
CVE-2021-3580 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
openSUSE Leap 15.3
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An update that fixes one vulnerability is now available.

Description:

This update for libnettle fixes the following issues:

- CVE-2021-3580: Fixed a remote denial of service in the RSA decryption
via manipulated ciphertext (bsc#1187060).

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 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2143=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

libhogweed4-3.4.1-4.18.1
libhogweed4-debuginfo-3.4.1-4.18.1
libnettle-debugsource-3.4.1-4.18.1
libnettle-devel-3.4.1-4.18.1
libnettle6-3.4.1-4.18.1
libnettle6-debuginfo-3.4.1-4.18.1
nettle-3.4.1-4.18.1
nettle-debuginfo-3.4.1-4.18.1

- openSUSE Leap 15.3 (x86_64):

libhogweed4-32bit-3.4.1-4.18.1
libhogweed4-32bit-debuginfo-3.4.1-4.18.1
libnettle-devel-32bit-3.4.1-4.18.1
libnettle6-32bit-3.4.1-4.18.1
libnettle6-32bit-debuginfo-3.4.1-4.18.1

References:

  https://www.suse.com/security/cve/CVE-2021-3580.html
  https://bugzilla.suse.com/1187060