CVE-2021-20277
7.5
HIGH
CVSS 3.1
EPSS 9.8%
Description
A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-20277
To remediate CVE-2021-20277, upgrade the affected package to a fixed version below.
- Alpine/samba—upgrade to 4.12.14-r0 or later
- —upgrade to 2:2.2.0-3.1 or later
- —no fix listed
Is CVE-2021-20277 being exploited?
Moderate — EPSS is 9.8%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 4.12.14-r0
- from 0, < 2:2.2.0-3.1
- from 0
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 |