{
  "cveId": "CVE-2021-4091",
  "url": "https://patchblox.com/security/cve/CVE-2021-4091",
  "summary": "CVE-2021-4091 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2021-4091, released February 18, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "389-ds-base: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server",
  "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: double free of the virtual attribute context in persistent search (CVE-2021-4091)\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\nBug Fix(es):\n\n* Paged search lookthroughlimit counter doesnt take read ahead into account (BZ#2059893)\n\n* Based on 1944494 (RFC 4530 entryUUID attribute) - plugin entryuuid failing (BZ#2060106)",
  "published": "2022-02-18T18:15:10Z",
  "severity": "Low",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.02014,
  "epssPercentile": 0.81015,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "389-ds-base",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.0.15-1",
      "fix": "DEBIAN-CVE-2021-4091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4091",
      "released": "2022-02-18T18:15:10Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.0.15-1",
      "fix": "DEBIAN-CVE-2021-4091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4091",
      "released": "2022-02-18T18:15:10Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B14377\u002Bc731dc97",
      "fix": "RHSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0889",
      "released": "2022-03-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base",
      "release": "almalinux 8",
      "fixedVersion": "1.4.3.23-14.module_el8.5.0\u002B2628\u002Bc731dc97",
      "fix": "ALSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base",
      "release": "ol 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B20517\u002B748852bc",
      "fix": "ELSA-2022-0889",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0889",
      "released": "2022-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base",
      "release": "rocky 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B745\u002Bc5be6847",
      "fix": "RLSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B14377\u002Bc731dc97",
      "fix": "RHSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0889",
      "released": "2022-03-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-devel",
      "release": "almalinux 8",
      "fixedVersion": "1.4.3.23-14.module_el8.5.0\u002B2628\u002Bc731dc97",
      "fix": "ALSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B20517\u002B748852bc",
      "fix": "ELSA-2022-0889",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0889",
      "released": "2022-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-legacy-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B14377\u002Bc731dc97",
      "fix": "RHSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0889",
      "released": "2022-03-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-legacy-tools",
      "release": "almalinux 8",
      "fixedVersion": "1.4.3.23-14.module_el8.5.0\u002B2628\u002Bc731dc97",
      "fix": "ALSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-legacy-tools",
      "release": "ol 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B20517\u002B748852bc",
      "fix": "ELSA-2022-0889",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0889",
      "released": "2022-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-libs",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B14377\u002Bc731dc97",
      "fix": "RHSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0889",
      "released": "2022-03-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-libs",
      "release": "almalinux 8",
      "fixedVersion": "1.4.3.23-14.module_el8.5.0\u002B2628\u002Bc731dc97",
      "fix": "ALSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-libs",
      "release": "ol 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B20517\u002B748852bc",
      "fix": "ELSA-2022-0889",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0889",
      "released": "2022-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-snmp",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B14377\u002Bc731dc97",
      "fix": "RHSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0889",
      "released": "2022-03-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-snmp",
      "release": "almalinux 8",
      "fixedVersion": "1.4.3.23-14.module_el8.5.0\u002B2628\u002Bc731dc97",
      "fix": "ALSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "389-ds-base-snmp",
      "release": "ol 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B20517\u002B748852bc",
      "fix": "ELSA-2022-0889",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0889",
      "released": "2022-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-lib389",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B14377\u002Bc731dc97",
      "fix": "RHSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0889",
      "released": "2022-03-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-lib389",
      "release": "almalinux 8",
      "fixedVersion": "1.4.3.23-14.module_el8.5.0\u002B2628\u002Bc731dc97",
      "fix": "ALSA-2022:0889",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0889",
      "released": "2022-03-15T09:10:39Z"
    },
    {
      "platform": "linux",
      "product": "python3-lib389",
      "release": "ol 8",
      "fixedVersion": "0:1.4.3.23-14.module\u002Bel8.5.0\u002B20517\u002B748852bc",
      "fix": "ELSA-2022-0889",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0889",
      "released": "2022-03-16T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}