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Fencer Vulns
medium 5.5

CVE-2018-19872 json

An issue was discovered in Qt 5.11.

published 2019-03-15 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11546

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

An issue was discovered in Qt 5.11. A malformed PPM image causes a division by zero and a crash in qppmhandler.cpp.

Patch / fix

  • qtbase-opensource-src Debian 14, Debian 13, Debian 12 5.11.2+dfsg-3

debian advisories DEBIAN-CVE-2018-19872

  • qtbase-opensource-src Ubuntu 16.04 LTS 5.5.1+dfsg-16ubuntu7.7
  • qtbase-opensource-src Ubuntu 18.04 LTS 5.9.5+dfsg-0ubuntu2.5

ubuntu advisories UBUNTU-CVE-2018-19872

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

  • 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-2020:1172

  • 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

  • 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-2018-19872 updated cvss 6.2

qt: Malformed PPM image causing division by zero and crash in qppmhandler.cpp

  • 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 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, qt-assistant 4.8.7-8.el7, +3 more Red Hat Enterprise Linux ComputeNode (v. 7) qt 4.8.7-8.el7, qt-x11 4.8.7-8.el7 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, qt-examples 4.8.7-8.el7, +4 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, qt-postgresql 4.8.7-8.el7 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, qt-qdbusviewer 4.8.7-8.el7, +1 more
    +2 more products
    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, qt-postgresql 4.8.7-8.el7 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, qt-qdbusviewer 4.8.7-8.el7, +1 more
    fixed: vendor fix RHSA-2020:1172
  • Red Hat Enterprise Linux 5 qt Red Hat Enterprise Linux 6 qt, qt-x11, qt-odbc, qt-demos, qt-mysql, qt-sqlite, +3 more
    not affected: vulnerable code not present

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

1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugreports.qt.io https://bugreports.qt.io/browse/QTBUG-69449 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/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

References

Sources

Fencer Vulns 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.