CVE-2021-4091
7.5
HIGH
CVSS 3.1
EPSS 0.34%
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.
How to fix CVE-2021-4091
To remediate CVE-2021-4091, upgrade the affected package to a fixed version below.
- Debian/389-ds-base—upgrade to 1.4.4.11-2+deb11u1 or later
Is CVE-2021-4091 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.4.4.11-2+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |