synced 13 MIN AGO
01 Record

CVE-2021-4091

A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly,

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly,

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.01% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 80.7% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-02-18 00:00Z4 YR AGO
Last updated
2025-11-03 20:33Z11 MO AGO
Reserved
2021-12-10
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.2
Document digest
fcea2f6bda4615d9f203be1a7e551345fdb6af8c72093dc3c8934e62950d62f7

05 Affected products

VendorProductVersionsPlatforms
n/a389-ds-base389-ds-base-1.3.10.2—

06 References

07 Fixed in

AlmaLinux 8

  • 389-ds-base
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-devel
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-legacy-tools
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-libs
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-snmp
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • python3-lib389
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • 389-ds-base
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-devel
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-legacy-tools
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-libs
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • 389-ds-base-snmp
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97
  • python3-lib389
    Fixed in 1.4.3.23-14.module_el8.5.0+2628+c731dc97

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • 389-ds-base
    Fixed in 2.0.15-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • 389-ds-base
    Fixed in 2.0.15-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 25.10

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • 389-ds-base
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.