RHSA-2021:1586 — Security Advisory

An update for GNOME is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

GNOME is the default desktop environment of Red Hat Enterprise Linux.

The following packages have been upgraded to a later upstream version: accountsservice (0.6.55), webkit2gtk3 (2.30.4). (BZ#1846376, BZ#1883304)

Security Fix(es):

• webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)

• webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-9951)

• webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)

• webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543)

• webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13584)

• glib2: insecure permissions for files and directories (CVE-2019-13012)

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 Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.