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ALSA-2020:1665 — Moderate: qt5 security, bug fix, and enhancement update

Affected: AlmaLinux:8: python3-qt5-devel, AlmaLinux:8: qt5-devel, AlmaLinux:8: qt5-qtdeclarative-static, AlmaLinux:8: qt5-qtdoc, AlmaLinux:8: qt5-qtquickcontrols2-devel, AlmaLinux:8: qt5-qttranslations, AlmaLinux:8: qt5-qtwayland-devel, AlmaLinux:8: qt5-rpm-macros, AlmaLinux:8: qt5-srpm-macros

Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt.

The following packages have been upgraded to a later upstream version: qt5 (5.12.5), qt5-qt3d (5.12.5), qt5-qtbase (5.12.5), qt5-qtcanvas3d (5.12.5), qt5-qtconnectivity (5.12.5), qt5-qtdeclarative (5.12.5), qt5-qtdoc (5.12.5), qt5-qtgraphicaleffects (5.12.5), qt5-qtimageformats (5.12.5), qt5-qtlocation (5.12.5), qt5-qtmultimedia (5.12.5), qt5-qtquickcontrols (5.12.5), qt5-qtquickcontrols2 (5.12.5), qt5-qtscript (5.12.5), qt5-qtsensors (5.12.5), qt5-qtserialbus (5.12.5), qt5-qtserialport (5.12.5), qt5-qtsvg (5.12.5), qt5-qttools (5.12.5), qt5-qttranslations (5.12.5), qt5-qtwayland (5.12.5), qt5-qtwebchannel (5.12.5), qt5-qtwebsockets (5.12.5), qt5-qtx11extras (5.12.5), qt5-qtxmlpatterns (5.12.5), python-qt5 (5.13.1), sip (4.19.19). (BZ#1775603, BZ#1775604)

Security Fix(es):

* qt: Malformed PPM image causing division by zero and crash in qppmhandler.cpp (CVE-2018-19872)

* qt5-qtsvg: Invalid parsing of malformed url reference resulting in a denial of service (CVE-2018-19869)

* qt5-qtimageformats: QTgaFile CPU exhaustion (CVE-2018-19871)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked…

bdu:2021-03457

cnvd-2020-25864

EUVD-2026-69991

fkie_cve-2018-19871

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

GHSA-8pvx-w36x-67cm

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

gsd-2018-19871

openSUSE-SU-2019:1115-1 — Security update for libqt5-qtimageformats

Security update for libqt5-qtimageformats

SUSE-SU-2019:0705-1 — Security update for libqt5-qtimageformats

Security update for libqt5-qtimageformats

UBUNTU-CVE-2018-19871

Affected: Ubuntu:14.04:LTS: qt4-x11, Ubuntu:16.04:LTS: qt4-x11, Ubuntu:16.04:LTS: qtimageformats-opensource-src, Ubuntu:18.04:LTS: qt4-x11, Ubuntu:18.04:LTS: qtimageformats-opensource-src, Ubuntu:20.04:LTS: qtimageformats-opensource-src, Ubuntu:22.04:LTS: qtimageformats-opensource-src, Ubuntu:24.04:LTS: qtimageformats-opensource-src, Ubuntu:25.10: qtimageformats-opensource-src, Ubuntu:26.04:LTS: qtimageformats-opensource-src

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

WID-SEC-W-2026-1718 — QT: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstelle in QT ausnutzen, um dadurch die Integrität, Vertraulichkeit und Verfügbarkeit zu gefährden.