{"id":"OESA-2026-3574","summary":"sssd security update","details":"Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects like FreeIPA.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in SSSD. The extract_authtok_v1() function in the PAM responder does not validate the auth_token_length field against the remaining buffer size before processing. A local attacker can exploit this via a crafted protocol v1 request to the PAM responder socket, causing an out-of-bounds read and process crash, resulting in a denial of service.(CVE-2026-68743)","modified":"2026-08-30T04:31:57.308954112Z","published":"2026-08-30T04:17:53Z","upstream":["CVE-2026-68743"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3574"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68743"}],"affected":[{"package":{"name":"sssd","ecosystem":"openEuler:20.03-LTS-SP4","purl":"pkg:rpm/openEuler/sssd&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-28.oe2003sp4"}]}],"ecosystem_specific":{"x86_64":["python2-sssd-2.2.2-28.oe2003sp4.x86_64.rpm","python3-sssd-2.2.2-28.oe2003sp4.x86_64.rpm","sssd-2.2.2-28.oe2003sp4.x86_64.rpm","sssd-debuginfo-2.2.2-28.oe2003sp4.x86_64.rpm","sssd-debugsource-2.2.2-28.oe2003sp4.x86_64.rpm","sssd-devel-2.2.2-28.oe2003sp4.x86_64.rpm"],"aarch64":["python2-sssd-2.2.2-28.oe2003sp4.aarch64.rpm","python3-sssd-2.2.2-28.oe2003sp4.aarch64.rpm","sssd-2.2.2-28.oe2003sp4.aarch64.rpm","sssd-debuginfo-2.2.2-28.oe2003sp4.aarch64.rpm","sssd-debugsource-2.2.2-28.oe2003sp4.aarch64.rpm","sssd-devel-2.2.2-28.oe2003sp4.aarch64.rpm"],"noarch":["sssd-help-2.2.2-28.oe2003sp4.noarch.rpm"],"src":["sssd-2.2.2-28.oe2003sp4.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-3574.json"}},{"package":{"name":"sssd","ecosystem":"openEuler:22.03-LTS-SP4","purl":"pkg:rpm/openEuler/sssd&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-28.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["python3-sssd-2.6.1-28.oe2203sp4.aarch64.rpm","sssd-2.6.1-28.oe2203sp4.aarch64.rpm","sssd-debuginfo-2.6.1-28.oe2203sp4.aarch64.rpm","sssd-debugsource-2.6.1-28.oe2203sp4.aarch64.rpm","sssd-devel-2.6.1-28.oe2203sp4.aarch64.rpm"],"noarch":["sssd-help-2.6.1-28.oe2203sp4.noarch.rpm"],"src":["sssd-2.6.1-28.oe2203sp4.src.rpm"],"x86_64":["python3-sssd-2.6.1-28.oe2203sp4.x86_64.rpm","sssd-2.6.1-28.oe2203sp4.x86_64.rpm","sssd-debuginfo-2.6.1-28.oe2203sp4.x86_64.rpm","sssd-debugsource-2.6.1-28.oe2203sp4.x86_64.rpm","sssd-devel-2.6.1-28.oe2203sp4.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-3574.json"}},{"package":{"name":"sssd","ecosystem":"openEuler:24.03-LTS-SP1","purl":"pkg:rpm/openEuler/sssd&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-23.oe2403sp1"}]}],"ecosystem_specific":{"noarch":["python3-sssdconfig-2.9.4-23.oe2403sp1.noarch.rpm","sssd-help-2.9.4-23.oe2403sp1.noarch.rpm"],"src":["sssd-2.9.4-23.oe2403sp1.src.rpm"],"x86_64":["libipa_hbac-2.9.4-23.oe2403sp1.x86_64.rpm","libipa_hbac-devel-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_autofs-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_certmap-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_certmap-devel-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_idmap-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_idmap-devel-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_nss_idmap-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_nss_idmap-devel-2.9.4-23.oe2403sp1.x86_64.rpm","libsss_sudo-2.9.4-23.oe2403sp1.x86_64.rpm","python3-libipa_hbac-2.9.4-23.oe2403sp1.x86_64.rpm","python3-libsss_nss_idmap-2.9.4-23.oe2403sp1.x86_64.rpm","python3-sss-2.9.4-23.oe2403sp1.x86_64.rpm","python3-sss-murmur-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-ad-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-client-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-common-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-common-pac-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-dbus-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-debuginfo-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-debugsource-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-idp-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-ipa-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-kcm-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-krb5-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-krb5-common-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-ldap-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-nfs-idmap-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-proxy-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-tools-2.9.4-23.oe2403sp1.x86_64.rpm","sssd-winbind-idmap-2.9.4-23.oe2403sp1.x86_64.rpm"],"aarch64":["libipa_hbac-2.9.4-23.oe2403sp1.aarch64.rpm","libipa_hbac-devel-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_autofs-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_certmap-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_certmap-devel-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_idmap-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_idmap-devel-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_nss_idmap-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_nss_idmap-devel-2.9.4-23.oe2403sp1.aarch64.rpm","libsss_sudo-2.9.4-23.oe2403sp1.aarch64.rpm","python3-libipa_hbac-2.9.4-23.oe2403sp1.aarch64.rpm","python3-libsss_nss_idmap-2.9.4-23.oe2403sp1.aarch64.rpm","python3-sss-2.9.4-23.oe2403sp1.aarch64.rpm","python3-sss-murmur-2.9.4-23.oe2403sp1.aarch64.rpm","sssd-2.9.4-23.oe2403sp1.aarch64.rpm","sssd-ad-2.9.4-23.oe2403sp1.aarch64.rpm","sssd-client-2.9.4-23.oe2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