CVE-2016-4574
7.5
HIGH
CVSS 3.1
EPSS 1.1%
Description
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
How to fix CVE-2016-4574
To remediate CVE-2016-4574, upgrade the affected package to a fixed version below.
- Debian/libksba—upgrade to 1.3.4-3 or later
Is CVE-2016-4574 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.3.4-3
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 |