Security update for gnutls SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2022:0717-1 Final 1 1 2022-03-04T08:45:39Z current 2022-03-04T08:45:39Z 2022-03-04T08:45:39Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for gnutls This update for gnutls fixes the following issues: - CVE-2021-4209: Fixed null pointer dereference in MD_UPDATE (bsc#1196167). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-SLE-15.3-2022-717 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RI5PFWTNO6UDYFJ3HLMKV5PQYAJ77E46/ E-Mail link for openSUSE-SU-2022:0717-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1196167 SUSE Bug 1196167 https://www.suse.com/security/cve/CVE-2021-4209/ SUSE CVE CVE-2021-4209 page openSUSE Leap 15.3 gnutls-3.6.7-14.16.1 gnutls-guile-3.6.7-14.16.1 libgnutls-devel-3.6.7-14.16.1 libgnutls-devel-32bit-3.6.7-14.16.1 libgnutls30-3.6.7-14.16.1 libgnutls30-32bit-3.6.7-14.16.1 libgnutls30-hmac-3.6.7-14.16.1 libgnutls30-hmac-32bit-3.6.7-14.16.1 libgnutlsxx-devel-3.6.7-14.16.1 libgnutlsxx28-3.6.7-14.16.1 gnutls-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 gnutls-guile-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutls-devel-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutls-devel-32bit-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutls30-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutls30-32bit-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutls30-hmac-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutls30-hmac-32bit-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutlsxx-devel-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 libgnutlsxx28-3.6.7-14.16.1 as a component of openSUSE Leap 15.3 A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances. CVE-2021-4209 openSUSE Leap 15.3:gnutls-3.6.7-14.16.1 openSUSE Leap 15.3:gnutls-guile-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutls-devel-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutls-devel-32bit-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutls30-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutls30-32bit-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutls30-hmac-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutls30-hmac-32bit-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutlsxx-devel-3.6.7-14.16.1 openSUSE Leap 15.3:libgnutlsxx28-3.6.7-14.16.1 moderate 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RI5PFWTNO6UDYFJ3HLMKV5PQYAJ77E46/ https://www.suse.com/security/cve/CVE-2021-4209.html CVE-2021-4209 https://bugzilla.suse.com/1196167 SUSE Bug 1196167