CVE-2018-16428 describes a critical NULL pointer dereference vulnerability in GNOME GLib 2.56.1, specifically within the g_markup_parse_context_end_parse() function. This flaw affects canonical glib, canonical ubuntu_linux, gnome glib, and gnome ubuntu_linux. With a CVSS score of 9.8 (Critical), it presents a severe risk, allowing unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability over the network with low attack complexity. Despite its high severity and significant community discussion (10 mentions), there is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.56.1CPE matchmatch criteria | cpe:2.3:a:gnome:glib:2.56.1:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.