CVE-2020-27840
ldb - security update
7.5
HIGH
CVSS 3.1
EPSS 3.8%
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
Is CVE-2020-27840 being exploited?
Low — EPSS is 3.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.0.0, < 4.12.14-r0
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 |