{"id":"CVE-2026-78701","aliases":["ALSA-2026:64784","ALSA-2026:64785","AZL-98045","CLSA-2026-1789654818","EUVD-2026-65312","GHSA-xmh3-2gr9-2rwp","RHSA-2026:64784","RHSA-2026:64785","RLSA-2026:64784","RLSA-2026:64785","UBUNTU-CVE-2026-78701"],"status":"published","title":"389-ds-base: 389-ds-base: cve-2026-11610 incomplete fix may introduce a connection-stall dos","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. 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9"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:64784","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64785","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:65119","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-78701","tags":["vdb-entry","x_refsource_REDHAT","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2523232","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78701","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-xmh3-2gr9-2rwp"},{"url":"https://access.redhat.com/security/cve/CVE-2026-18355","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-18453","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-18922","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-76560","tags":["report"]},{"url":"https://bugzilla.redhat.com/2509186","tags":["report"]},{"url":"https://bugzilla.redhat.com/2509696","tags":["report"]},{"url":"https://bugzilla.redhat.com/2511388","tags":["report"]},{"url":"https://bugzilla.redhat.com/2519521","tags":["report"]},{"url":"https://bugzilla.redhat.com/2523232","tags":["report"]},{"url":"https://errata.almalinux.org/9/ALSA-2026-64784.html","tags":["advisory"]},{"url":"https://errata.almalinux.org/10/ALSA-2026-64785.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1789654818.html","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18355","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18453","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18922","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76560","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#critical","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2509186","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2509696","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2511388","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2519521","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_64784.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18355","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18453","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18922","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-76560","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-78701","tags":["advisory","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_64785.json","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2026:64784","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2026:64785","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-78701","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-78701","title":"389-ds-base: 389-ds-base: cve-2026-11610 incomplete fix may introduce a connection-stall dos","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.","status":"published","published":"2026-08-25T07:33:02.549Z","modified":"2026-11-06T00:54:26.836Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-06T01:55:46.939755Z"}],"euvd":[{"id":"EUVD-2026-65312","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.","status":"published","published":"2026-08-25T07:33:02Z","modified":"2026-11-06T00:54:26Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T02:02:53.341523Z"}],"ghsa":[{"id":"GHSA-xmh3-2gr9-2rwp","title":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability...","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.","status":"published","published":"2026-08-25T09:30:38Z","modified":"2026-09-09T00:30:27Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:11:36.851913Z"}],"nvd":[{"id":"CVE-2026-78701","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.","status":"published","published":"2026-08-25T08:18:10.713Z","modified":"2026-11-06T01:17:52.753Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-06T06:59:04.972571Z"}],"osv":[{"id":"RHSA-2026:64784","title":"Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update","status":"published","published":"2026-09-08T10:19:01Z","modified":"2026-10-19T10:05:13Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RHSA-2026:64785","title":"Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update","status":"published","published":"2026-09-08T10:19:02Z","modified":"2026-10-19T10:05:14Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RLSA-2026:64784","title":"Critical: 389-ds-base security, bug fix, and enhancement update","description":"389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\n* 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.8.z] (JIRA:Rocky Linux-244467)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.8.z] (JIRA:Rocky Linux-248766)\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.","status":"published","published":"2026-09-09T12:05:17.368443Z","modified":"2026-09-09T12:30:03.356049905Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:64785","title":"Critical: 389-ds-base security, bug fix, and enhancement update","description":"389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\n* 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-10.2.z] (JIRA:Rocky Linux-244470)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-10.2.z] (JIRA:Rocky Linux-248770)\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.","status":"published","published":"2026-09-09T12:09:16.585859Z","modified":"2026-09-09T12:30:03.366211715Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"UBUNTU-CVE-2026-78701","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.","status":"published","published":"2026-08-25T08:18:00Z","modified":"2026-10-17T12:57:05.54224857Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:18.015985Z"},{"id":"ALSA-2026:64784","title":"Critical: 389-ds-base security, bug fix, and enhancement update","description":"389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.  \n\nSecurity Fix(es):  \n\n  * 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n  * 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n  * 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n  * 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n  * 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [almalinux-9.8.z] (JIRA:AlmaLinux-244467)\n  * fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [almalinux-9.8.z] (JIRA:AlmaLinux-248766)\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","status":"published","published":"2026-09-08T00:00:00Z","modified":"2026-10-29T11:32:37.382825629Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:64785","title":"Critical: 389-ds-base security, bug fix, and enhancement update","description":"389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.  \n\nSecurity Fix(es):  \n\n  * 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n  * 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n  * 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n  * 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n  * 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [almalinux-10.2.z] (JIRA:AlmaLinux-244470)\n  * fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [almalinux-10.2.z] (JIRA:AlmaLinux-248770)\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","status":"published","published":"2026-09-08T00:00:00Z","modified":"2026-10-29T11:30:48.597688376Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"AZL-98045","title":"CVE-2026-78701 affecting package 389-ds-base 3.1.1-12","description":"A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.","status":"published","published":"2026-08-25T08:18:10Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:26.280152Z"},{"id":"CLSA-2026-1789654818","title":"389-ds-base: Fix of 5 CVEs","description":"- CVE-2026-18355: reject SASL packet lengths below the already-consumed offset in sasl_io_start_packet\n- CVE-2026-18453: avoid NULL pointer dereference in op_shared_search with paged results and USE_ONE_BACKEND\n- CVE-2026-18922: clear the stale SASL identity in the Cyrus SASL auxiliary property lookup\n- CVE-2026-76560: require a non-empty bind DN when evaluating SELFDN ACI bind rules\n- CVE-2026-78701: drain a buffered unencrypted UNBIND across recv calls instead of stalling the connection","status":"published","published":"2026-09-17T14:20:32Z","modified":"2026-10-26T09:30:49.020762479Z","updated_at":"2026-11-02T15:43:48.28229Z"}]}}