{"schema_version":"1.7.3","id":"ALSA-2021:4903","published":"2021-12-01T17:52:10Z","modified":"2026-02-04T03:01:30.748965Z","related":["CVE-2021-43527"],"summary":"Critical: nss security update","details":"Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.\n\nSecurity Fix(es):\n\n* nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","affected":[{"package":{"name":"nss","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-softokn","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-softokn"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-softokn-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-softokn-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-softokn-freebl","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-softokn-freebl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-softokn-freebl-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-softokn-freebl-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-sysinit","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-sysinit"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-tools","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-util","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-util"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}},{"package":{"name":"nss-util-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/nss-util-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.67.0-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4903.json"}}],"references":[{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2021-4903.html"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-43527"}]}