{"id":"ALSA-2026:18143","summary":"Moderate: p11-kit security update","details":"The p11-kit packages provide a mechanism to manage PKCS#11 modules. The p11-kit-trust subpackage includes a PKCS#11 trust module that provides certificate anchors and black lists based on configuration files.  \n\nSecurity Fix(es):  \n\n  * p11-kit: p11-kit: NULL dereference via C_DeriveKey with specific NULL parameters (CVE-2026-2100)\n\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.  \n\nAdditional Changes:  \n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.\n","modified":"2026-05-26T16:45:06.873974944Z","published":"2026-05-19T00:00:00Z","related":["CVE-2026-2100"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:18143"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-2100"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2437308"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-18143.html"}],"affected":[{"package":{"name":"p11-kit","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/p11-kit"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.2-1.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18143.json"}},{"package":{"name":"p11-kit-client","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/p11-kit-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.2-1.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18143.json"}},{"package":{"name":"p11-kit-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/p11-kit-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.2-1.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18143.json"}},{"package":{"name":"p11-kit-server","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/p11-kit-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.2-1.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18143.json"}},{"package":{"name":"p11-kit-trust","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/p11-kit-trust"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.2-1.el10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18143.json"}}],"schema_version":"1.7.5"}