{"schema_version":"1.7.3","id":"SUSE-SU-2021:0954-1","published":"2021-03-25T15:11:37Z","modified":"2026-02-04T03:49:47.462588Z","related":["CVE-2021-3449"],"upstream":["CVE-2021-3449"],"summary":"Security update for openssl-1_1","details":"This update for openssl-1_1 fixes the following security issue:\n\n* CVE-2021-3449: An OpenSSL TLS server may crash if sent a maliciously crafted\n  renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation\n  ClientHello omits the signature_algorithms extension but includes a\n  signature_algorithms_cert extension, then a NULL pointer dereference will\n  result, leading to a crash and a denial of service attack. OpenSSL TLS\n  clients are not impacted by this issue. [bsc#1183852]\n","affected":[{"package":{"name":"openssl-1_1","ecosystem":"SUSE:OpenStack Cloud 9","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20OpenStack%20Cloud%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-2.33.1","libopenssl1_1-32bit":"1.1.1d-2.33.1","openssl-1_1":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:OpenStack Cloud Crowbar 9","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-2.33.1","libopenssl1_1-32bit":"1.1.1d-2.33.1","openssl-1_1":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-2.33.1","libopenssl1_1-32bit":"1.1.1d-2.33.1","openssl-1_1":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl-1_1-devel":"1.1.1d-2.33.1","libopenssl-1_1-devel-32bit":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:Linux Enterprise Server 12 SP4-LTSS","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-2.33.1","libopenssl1_1-32bit":"1.1.1d-2.33.1","openssl-1_1":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-2.33.1","libopenssl1_1-32bit":"1.1.1d-2.33.1","openssl-1_1":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-2.33.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-2.33.1","libopenssl1_1-32bit":"1.1.1d-2.33.1","openssl-1_1":"1.1.1d-2.33.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0954-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210954-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1183852"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3449"}]}