Skip to content
Fencer Intel
high 8.8

CVE-2018-19870 json

An issue was discovered in Qt before 5.11.3.

published 7y ago modified 4mo ago also EUVD-2018-11544

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.

Patch / fix

  • qt qt 5.11.3
  • qtbase-opensource-src Debian 14, Debian 13, Debian 12 5.11.3+dfsg-2

debian advisories DEBIAN-CVE-2018-19870

  • qtbase-opensource-src Ubuntu 16.04 LTS 5.5.1+dfsg-16ubuntu7.6
  • qtbase-opensource-src Ubuntu 18.04 LTS 5.9.5+dfsg-0ubuntu2.1

ubuntu advisories UBUNTU-CVE-2018-19870

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qt RHEL 7 1:4.8.7-8.el7
  • qt-x11 RHEL 7 1:4.8.7-8.el7
  • qt-odbc RHEL 7 1:4.8.7-8.el7
  • qt-qvfb RHEL 7 1:4.8.7-8.el7
  • qt-demos RHEL 7 1:4.8.7-8.el7
  • qt-mysql RHEL 7 1:4.8.7-8.el7
  • qt-config RHEL 7 1:4.8.7-8.el7
  • qt-examples RHEL 7 1:4.8.7-8.el7

red hat advisories RHSA-2020:1172RHSA-2019:3390RHSA-2019:2135

  • libqt5-qtbase SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 5.6.1-17.13.1
  • libqt5-qtbase SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +9 more 5.6.2-6.22.1
  • libqt5-qtbase SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 5.9.4-8.18.2
  • libqt5-qtbase SLES for SAP 12 SP1, SLES 12 SP1-LTSS 5.5.1-8.10.1

suse advisories SUSE-SU-2020:0319-1SUSE-SU-2020:0318-1SUSE-SU-2020:0317-1SUSE-SU-2019:0927-1

  • libqt5-qtbase openSUSE Leap 15.0 5.9.4-lp150.11.1

opensuse advisories openSUSE-SU-2019:1239-1

Is CVE-2018-19870 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-19870 updated cvss 3.3

qt5-qtbase: QImage allocation failure in qgifhandler

  • Red Hat CodeReady Linux Builder (v. 8) qt5-qtbase-static 5.11.1-7.el8, qt5-qttools-static 5.11.1-9.el8, qt5-qtbase-debuginfo 5.11.1-7.el8, qt5-qttools-debuginfo 5.11.1-9.el8, qt5-designer-debuginfo 5.11.1-9.el8, qt5-doctools-debuginfo 5.11.1-9.el8, +18 more Red Hat Enterprise Linux AppStream (v. 8) qt5-qtbase 5.11.1-7.el8, qt5-qttools 5.11.1-9.el8, qt5-designer 5.11.1-9.el8, qt5-doctools 5.11.1-9.el8, qt5-linguist 5.11.1-9.el8, qt5-assistant 5.11.1-9.el8, +12 more
    fixed: vendor fix RHSA-2019:3390
  • Red Hat Enterprise Linux Client (v. 7) qt 4.8.7-8.el7, qt-x11 4.8.7-8.el7, qt-mysql 4.8.7-8.el7, qt5-qtbase 5.9.7-2.el7, qt5-qtbase-gui 5.9.7-2.el7, qt5-qtbase-common 5.9.7-2.el7 Red Hat Enterprise Linux Client Optional (v. 7) qt-odbc 4.8.7-8.el7, qt-qvfb 4.8.7-8.el7, qt-demos 4.8.7-8.el7, qt-config 4.8.7-8.el7, qt-examples 4.8.7-8.el7, qt5-qttools 5.9.7-1.el7, +23 more
    fixed: vendor fix RHSA-2019:2135
  • Red Hat Enterprise Linux ComputeNode (v. 7) qt 4.8.7-8.el7, qt-x11 4.8.7-8.el7
    fixed: vendor fix RHSA-2020:1172
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) qt-odbc 4.8.7-8.el7, qt-qvfb 4.8.7-8.el7, qt-demos 4.8.7-8.el7, qt-mysql 4.8.7-8.el7, qt-config 4.8.7-8.el7, qt5-qtbase 5.9.7-2.el7, +27 more Red Hat Enterprise Linux Server (v. 7) qt 4.8.7-8.el7, qt-x11 4.8.7-8.el7, qt-odbc 4.8.7-8.el7, qt-mysql 4.8.7-8.el7, qt5-qt3d 5.9.7-1.el7, qt5-qtdoc 5.9.7-1.el7, +36 more Red Hat Enterprise Linux Server Optional (v. 7) qt-qvfb 4.8.7-8.el7, qt-demos 4.8.7-8.el7, qt-config 4.8.7-8.el7, qt-examples 4.8.7-8.el7, qt-assistant 4.8.7-8.el7, qt5-assistant 5.9.7-1.el7, +22 more Red Hat Enterprise Linux Workstation (v. 7) qt 4.8.7-8.el7, qt-x11 4.8.7-8.el7, qt-odbc 4.8.7-8.el7, qt-mysql 4.8.7-8.el7, qt5-qt3d 5.9.7-1.el7, qt5-qtdoc 5.9.7-1.el7, +36 more Red Hat Enterprise Linux Workstation Optional (v. 7) qt-qvfb 4.8.7-8.el7, qt-demos 4.8.7-8.el7, qt-config 4.8.7-8.el7, qt-examples 4.8.7-8.el7, qt-assistant 4.8.7-8.el7, qt5-assistant 5.9.7-1.el7, +22 more
    fixed: vendor fix RHSA-2019:2135

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.