CVE-2020-27840
ldb - security update
7.5
HIGH
CVSS 3.1
EPSS 14.5%
Description
A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.
How to fix CVE-2020-27840
To remediate CVE-2020-27840, upgrade the affected package to a fixed version below.
- —upgrade to 4.12.14-r0 or later
- —upgrade to 2:2.2.0-3.1 or later
- —upgrade to 2:1.1.27-1+deb9u2 or later
- —no fix listed
Is CVE-2020-27840 being exploited?
Moderate — EPSS is 14.5%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 4.12.14-r0
- from 0, < 2:2.2.0-3.1
- from 0, < 2:1.1.27-1+deb9u2
- 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 |