CVE-2016-4356 describes an out-of-bounds read vulnerability in the append_utf8_value function of the Libksba DN decoder (dn.c) affecting Canonical and GnuPG Libksba versions. This flaw allows remote attackers to cause a denial of service by manipulating UTF-8 encoded data. With a CVSS v3 score of 7.5 (High), it can be exploited over the network with low complexity and no user interaction, leading to high availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.3.2CPE matchmatch criteria | cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.