Double Free Affecting 389-ds:1.4/python3-lib389 package, versions <0:1.4.3.23-14.module_el8.5.0+2628+c731dc97


Severity

Recommended
low

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-ALMALINUX8-389DS-5620445
  • published28 May 2023
  • disclosed15 Mar 2022

Introduced: 15 Mar 2022

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

How to fix?

Upgrade AlmaLinux:8 389-ds:1.4/python3-lib389 to version 0:1.4.3.23-14.module_el8.5.0+2628+c731dc97 or higher.
This issue was patched in ALSA-2022:0889.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 389-ds:1.4/python3-lib389 package and not the 389-ds:1.4/python3-lib389 package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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 Scores

version 3.1