CVE-2016-4456
Publication date 8 August 2017
Last updated 25 August 2025
Ubuntu priority
Description
The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gnutls28 | 16.04 LTS xenial |
Not affected
|
| 14.04 LTS trusty | Not in release | |
Notes
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N