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Fencer Intel
medium 6.5

CVE-2018-19871 json

An issue was discovered in Qt before 5.11.3.

published 2018-12-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11545

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An issue was discovered in Qt before 5.11.3. There is QTgaFile Uncontrolled Resource Consumption.

Patch / fix

  • qt qt 5.11.3
  • qtimageformats-opensource-src Debian 14, Debian 13, Debian 12 5.11.3-2

debian advisories DEBIAN-CVE-2018-19871

  • qt5 RHEL 8 5.12.5-3.el8
  • sip RHEL 8 4.19.19-1.el8
  • qt5-qt3d RHEL 8 5.12.5-2.el8
  • qt5-qtdoc RHEL 8 5.12.5-1.el8
  • qt5-qtsvg RHEL 8 5.12.5-1.el8
  • python-qt5 RHEL 8 5.13.1-1.el8
  • qt5-qtbase RHEL 8 5.12.5-4.el8
  • python3-qt5 RHEL 8 5.13.1-1.el8

red hat advisories RHSA-2020:1665RHSA-2020:1172RHSA-2019:2135

  • libqt5-qtimageformats SLES for SAP 12 SP5, SLES 12 SP5 5.6.2-3.3.110
  • libqt5-qtimageformats SLE Module for Desktop Applications 15 5.9.4-3.3.17

suse advisories SUSE-SU-2020:2923-1SUSE-SU-2019:0705-1

  • libqt5-qtimageformats openSUSE Leap 15.0 5.9.4-lp150.2.3.2

opensuse advisories openSUSE-SU-2019:1115-1

  • qt5-qtdoc AlmaLinux 8 5.12.5-1.el8
  • qt5-rpm-macros AlmaLinux 8 5.12.5-3.el8
  • qt5-srpm-macros AlmaLinux 8 5.12.5-3.el8
  • qt5-qttranslations AlmaLinux 8 5.12.5-1.el8

almalinux advisories ALSA-2020:1665

  • qt5 Rocky Linux 8 5.12.5-3.el8
  • qt5-qt3d Rocky Linux 8 5.12.5-2.el8
  • qt5-qtdoc Rocky Linux 8 5.12.5-1.el8
  • qt5-qtsvg Rocky Linux 8 5.12.5-1.el8
  • python-qt5 Rocky Linux 8 5.13.1-1.el8
  • qt5-qtscript Rocky Linux 8 5.12.5-1.el8
  • qt5-qtsensors Rocky Linux 8 5.12.5-1.el8
  • qt5-qtwayland Rocky Linux 8 5.12.5-1.el8

rocky linux advisories RLSA-2020:1665

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-2018-19871 updated cvss 3.3

qt5-qtimageformats: QTgaFile CPU exhaustion

  • Red Hat CodeReady Linux Builder (v. 8) sip 4.19.19-1.el8 Red Hat Enterprise Linux AppStream (v. 8) qt5 5.12.5-3.el8, sip 4.19.19-1.el8, qt5-qt3d 5.12.5-2.el8, qt5-qtdoc 5.12.5-1.el8, qt5-qtsvg 5.12.5-1.el8, python-qt5 5.13.1-1.el8, +61 more
    fixed: vendor fix RHSA-2020:1665
  • 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

1.60% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

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.