CVE-2018-16429

Glib vulnerability

CVSS

7.5

EPSS

3.5%

EPSS pct

88th

Exploited

No known

GNOME GLib 2.56.1 has an out-of-bounds read vulnerability in g_markup_parse_context_parse() in gmarkup.c, related to utf8_str().

Affected vendor

Gnome

Affected product

Glib

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2018-09-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-16429

Confirm whether Gnome Glib is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-16429.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-16429

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