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CVE-2021-4091

Date: February 17, 2022

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.

Severity Score

7.5

Related Resources (7)

Url: https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html

Url: https://security-tracker.debian.org/tracker/CVE-2021-4091

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-4091

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2030307

Url: https://access.redhat.com/security/cve/CVE-2021-4091

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-4091

Url: https://www.mend.io/vulnerability-database/CVE-2021-4091

Severity Score

7.5

Weakness Type (CWE)

Double Free

CWE-415

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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