CVE-2021-4091

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, and crash.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory redhat.com
Affected: n/a 389-ds-base
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2030307 issue tracking patch vendor advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html mailing list

Frequently Asked Questions

What is the severity of CVE-2021-4091?
CVE-2021-4091 has been scored as a high severity vulnerability.
How to fix CVE-2021-4091?
To fix CVE-2021-4091, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4091 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4091 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4091?
CVE-2021-4091 affects n/a 389-ds-base.
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