RHSA-2021:1586 — Red Hat Security Advisory: GNOME security, bug fix, and enhancement update

Fixed packages 28

Release	Package	Fixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream	gdm	1:3.28.3-39.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	gdm-debuginfo	1:3.28.3-39.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	gdm-debugsource	1:3.28.3-39.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-debuginfo	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-debugsource	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-devel	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-devel-debuginfo	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-jsc	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-jsc-debuginfo	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-jsc-devel	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream	webkit2gtk3-jsc-devel-debuginfo	0:2.30.4-1.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-debugsource	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-devel	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-devel-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-fam	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-fam-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-tests	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos	glib2-tests-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-debugsource	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-devel-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-doc	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-fam-debuginfo	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-static	0:2.56.4-9.el8
Red Hat · RHEL 8 enterprise_linux:8::crb	glib2-tests-debuginfo	0:2.56.4-9.el8

Vulnerabilities 12

High 8.8

CVE-2021-30661 Exploited

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, i…

Apple macOS iOS and iPadOS watchOS macOS iOS Browsers Debian Ubuntu Alpine

Sep 8, 2021
KEV Nov 3, 2021
High 8.8

CVE-2020-13543

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted we…

qtwebkit-source qtwebkit-opensource-src webkit2gtk webkitgtk Browsers Debian Ubuntu Alpine

Dec 3, 2020
High 8.8

CVE-2020-13584

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML we…

qtwebkit-source qtwebkit-opensource-src webkit2gtk webkitgtk Browsers Debian Ubuntu Alpine

Dec 3, 2020
High 7.2

CVE-2020-16125 Public exploit

gdm3 would start gnome-initial-setup if it cannot contact accountservice

gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a lo…

GNOME GDM3 gdm3 gdm3 Debian Ubuntu

Nov 10, 2020
Unscored —

CVE-2019-13012

The keyfile settings backend in GNOME GLib (aka glib2.0) before 2.60.0 creates directories using g_file_make_directory_…

glib2.0 glib2.0 Debian Ubuntu

Jun 28, 2019
Unscored —

CVE-2020-9948

A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0. Processing mali…

Apple Safari qtwebkit-source qtwebkit-opensource-src Browsers Debian Ubuntu Alpine

Oct 16, 2020
Unscored —

CVE-2020-9951

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing ma…

Apple Safari qtwebkit-source qtwebkit-opensource-src Browsers Debian Ubuntu Alpine

Oct 16, 2020
Unscored —

CVE-2020-9983

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processin…

Apple Safari qtwebkit-source qtwebkit-opensource-src Browsers Debian Ubuntu Alpine

Oct 16, 2020
Unscored —

CVE-2021-1817

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, iOS …

Apple macOS iOS and iPadOS watchOS macOS iOS Debian Ubuntu Alpine

Sep 8, 2021
Unscored —

CVE-2021-1820

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, i…

Apple macOS iOS and iPadOS watchOS macOS iOS Debian Ubuntu Alpine

Sep 8, 2021
Unscored —

CVE-2021-1825

An input validation issue was addressed with improved input validation. This issue is fixed in iTunes 12.11.3 for Windo…

Apple macOS iOS and iPadOS watchOS Windows macOS iOS Browsers Debian Ubuntu Alpine

Sep 8, 2021
Unscored —

CVE-2021-1826

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS …

Apple macOS iOS and iPadOS watchOS macOS iOS Debian Ubuntu Alpine

Sep 8, 2021

References

article
https://access.redhat.com/security/updates/classification/#moderate
article
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/
report
https://bugzilla.redhat.com/show_bug.cgi?id=837035
report
https://bugzilla.redhat.com/show_bug.cgi?id=1152037
report
https://bugzilla.redhat.com/show_bug.cgi?id=1464902
report
https://bugzilla.redhat.com/show_bug.cgi?id=1671761
report
https://bugzilla.redhat.com/show_bug.cgi?id=1700002
report
https://bugzilla.redhat.com/show_bug.cgi?id=1705392
report
https://bugzilla.redhat.com/show_bug.cgi?id=1728632
report
https://bugzilla.redhat.com/show_bug.cgi?id=1728896
report
https://bugzilla.redhat.com/show_bug.cgi?id=1765627
report
https://bugzilla.redhat.com/show_bug.cgi?id=1786496
report
https://bugzilla.redhat.com/show_bug.cgi?id=1796916
report
https://bugzilla.redhat.com/show_bug.cgi?id=1802105
report
https://bugzilla.redhat.com/show_bug.cgi?id=1833787
report
https://bugzilla.redhat.com/show_bug.cgi?id=1842229
report
https://bugzilla.redhat.com/show_bug.cgi?id=1845660
report
https://bugzilla.redhat.com/show_bug.cgi?id=1846376
report
https://bugzilla.redhat.com/show_bug.cgi?id=1854290
report
https://bugzilla.redhat.com/show_bug.cgi?id=1860946
report
https://bugzilla.redhat.com/show_bug.cgi?id=1861357
report
https://bugzilla.redhat.com/show_bug.cgi?id=1861769
report
https://bugzilla.redhat.com/show_bug.cgi?id=1865718
report
https://bugzilla.redhat.com/show_bug.cgi?id=1870837
report
https://bugzilla.redhat.com/show_bug.cgi?id=1871041
report
https://bugzilla.redhat.com/show_bug.cgi?id=1876291
report
https://bugzilla.redhat.com/show_bug.cgi?id=1881312
report
https://bugzilla.redhat.com/show_bug.cgi?id=1883304
report
https://bugzilla.redhat.com/show_bug.cgi?id=1883868
report
https://bugzilla.redhat.com/show_bug.cgi?id=1886822
report
https://bugzilla.redhat.com/show_bug.cgi?id=1888407
report
https://bugzilla.redhat.com/show_bug.cgi?id=1889411
report
https://bugzilla.redhat.com/show_bug.cgi?id=1889528
report
https://bugzilla.redhat.com/show_bug.cgi?id=1901212
report
https://bugzilla.redhat.com/show_bug.cgi?id=1901214
report
https://bugzilla.redhat.com/show_bug.cgi?id=1901216
report
https://bugzilla.redhat.com/show_bug.cgi?id=1901221
report
https://bugzilla.redhat.com/show_bug.cgi?id=1903043
report
https://bugzilla.redhat.com/show_bug.cgi?id=1903568

Red Hat Security Advisory: GNOME security, bug fix, and enhancement update

Fixed packages 28

Vulnerabilities 12

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, i…

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted we…

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML we…

gdm3 would start gnome-initial-setup if it cannot contact accountservice

The keyfile settings backend in GNOME GLib (aka glib2.0) before 2.60.0 creates directories using g_file_make_directory_…

A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0. Processing mali…

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing ma…

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processin…

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, iOS …

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, i…

An input validation issue was addressed with improved input validation. This issue is fixed in iTunes 12.11.3 for Windo…

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS …

References