CVE-2016-4356
7.5
HIGH
CVSS 3.1
EPSS 1.1%
Description
The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.
How to fix CVE-2016-4356
To remediate CVE-2016-4356, upgrade the affected package to a fixed version below.
- Debian/libksba—upgrade to 1.3.3-1 or later
Is CVE-2016-4356 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.3.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |