{"schema_version":"1.7.3","id":"SUSE-SU-2021:0955-1","published":"2021-03-25T15:11:58Z","modified":"2026-02-04T04:33:03.239539Z","related":["CVE-2021-3449"],"upstream":["CVE-2021-3449"],"summary":"Security update for openssl-1_1","details":"This update for openssl-1_1 fixes the 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:Linux Enterprise Module for Basesystem 15 SP2","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-11.20.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl-1_1-devel":"1.1.1d-11.20.1","libopenssl1_1":"1.1.1d-11.20.1","libopenssl1_1-32bit":"1.1.1d-11.20.1","libopenssl1_1-hmac":"1.1.1d-11.20.1","libopenssl1_1-hmac-32bit":"1.1.1d-11.20.1","openssl-1_1":"1.1.1d-11.20.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0955-1.json"}},{"package":{"name":"openssl-1_1","ecosystem":"SUSE:Linux Enterprise Micro 5.0","purl":"pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Micro%205.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1d-11.20.1"}]}],"ecosystem_specific":{"binaries":[{"libopenssl1_1":"1.1.1d-11.20.1","openssl-1_1":"1.1.1d-11.20.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0955-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210955-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1183852"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3449"}]}