Double Free Affecting 389-ds-base package, versions <2.0.15-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
2.01% (79th percentile)

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  • Snyk IDSNYK-ECHOLATEST-389DSBASE-17963640
  • published14 Jul 2026
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2021-4091  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Echo:latest 389-ds-base to version 2.0.15-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 389-ds-base package and not the 389-ds-base package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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, and crash.

CVSS Base Scores

version 3.1