Use After Free The advisory has been revoked - it doesn't affect any version of package gnome-shell-extension-horizontal-workspaces (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-GNOMESHELLEXTENSIONHORIZONTALWORKSPACES-1573975
- published26 Jul 2021
- disclosed16 Apr 2020
Introduced: 16 Apr 2020
CVE-2020-11793 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnome-shell-extension-horizontal-workspaces package and not the gnome-shell-extension-horizontal-workspaces package as distributed by RHEL.
A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).
References
- https://webkitgtk.org/security/WSA-2020-0004.html
- https://wpewebkit.org/security/WSA-2020-0004.html
- https://access.redhat.com/security/cve/CVE-2020-11793
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3P4YISPE5QX4YD54GDRZIH2X5RCH3QGW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3MQTRC6ITFTVS5R5Z24PMJS6FXJKGRD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTKY2MWP6PB6TE3ZKOOMKX7HZUCQNYF6/
- https://security.gentoo.org/glsa/202006-08
- https://access.redhat.com/errata/RHSA-2020:4451
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00008.html
- https://usn.ubuntu.com/4331-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3P4YISPE5QX4YD54GDRZIH2X5RCH3QGW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3MQTRC6ITFTVS5R5Z24PMJS6FXJKGRD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTKY2MWP6PB6TE3ZKOOMKX7HZUCQNYF6/