What is CVE-2018-19120?

CVE-2018-19120 is a high-severity vulnerability in KDE Applications, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-11-29.

How severe is CVE-2018-19120?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in KDE Applications

CVE-2018-19120

The HTML thumbnailer plugin in KDE Applications before 18.12.0 allows attackers to trigger outbound TCP connections to arbitrary IP addresses, leading to disclosure of the source IP address.

Vulnerability class: Information Disclosure

Published 2018-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (72.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

KDE Applications

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)

Frequently asked questions

What is CVE-2018-19120?: CVE-2018-19120 is a high-severity vulnerability in KDE Applications, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-11-29.
How severe is CVE-2018-19120?: High severity. CVSS v3 base score is 7.5 out of 10.