CVE-2019-8720
HighExploitedPublic exploitwebkitgtk: Multiple memory corruption issues leading to arbitrary code execution
Published Aug 15, 2022 · Updated Oct 8, 2026 · Also known as DEBIAN-CVE-2019-8720, UBUNTU-CVE-2019-8720
Key Facts
Patch immediately- CVE-2019-8720 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Codeready Linux Builder (Redhat), Codeready Linux Builder Eus (Redhat), Codeready Linux Builder For Arm64 Eus (Redhat) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 23, 2022. Public exploit code is available.
- EPSS estimates a 1.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including dleyna-renderer 0.6.0-3.el8, frei0r-devel 1.6.1-7.el8, frei0r-plugins 1.6.1-7.el8.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
1.6%
Higher than 74.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-8720 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 23, 2022 | Jun 13, 2022 | Not reported |
| Industry KEV feed | May 23, 2022 | Jun 13, 2022 | Not reported |
| CIRCL KEV | May 23, 2022 | Jun 13, 2022 | Not reported |
| ENISA EUVD | May 23, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
385 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Codeready Linux BuilderRedhat | 8.0 | n/a |
| Codeready Linux Builder EusRedhat | 8.4, 8.6 | n/a |
| Codeready Linux Builder For Arm64 EusRedhat | 8.0, 8.4, 8.6 | n/a |
| Codeready Linux Builder For Ibm Z Systems EusRedhat | 8.0, 8.4, 8.6 | n/a |
| Codeready Linux Builder For Power Little Endian EusRedhat | 8.0, 8.4, 8.6 | n/a |
Patched Releases
dleyna-renderer
0.6.0-3.el8
frei0r-devel
1.6.1-7.el8
frei0r-plugins
1.6.1-7.el8
frei0r-plugins-opencv
1.6.1-7.el8
gdm
1:3.28.3-34.el8
gnome-classic-session
3.32.1-11.el8
gnome-control-center
3.28.2-22.el8
gnome-control-center-filesystem
3.28.2-22.el8
gnome-photos
3.28.1-3.el8
gnome-photos-tests
3.28.1-3.el8
gnome-remote-desktop
0.1.8-3.el8
gnome-session
3.28.1-10.0.1.el8, 3.28.1-10.el8
gnome-session-wayland-session
3.28.1-10.0.1.el8
gnome-session-xsession
3.28.1-10.0.1.el8
gnome-settings-daemon
3.32.0-11.el8
gnome-shell
3.32.2-20.el8
gnome-shell-extension-apps-menu
3.32.1-11.el8
gnome-shell-extension-auto-move-windows
3.32.1-11.el8
gnome-shell-extension-common
3.32.1-11.el8
gnome-shell-extension-dash-to-dock
3.32.1-11.el8
gnome-shell-extension-desktop-icons
3.32.1-11.el8
gnome-shell-extension-disable-screenshield
3.32.1-11.el8
gnome-shell-extension-drive-menu
3.32.1-11.el8
gnome-shell-extension-horizontal-workspaces
3.32.1-11.el8
gnome-shell-extension-launch-new-instance
3.32.1-11.el8
Timeline
Added to CISA KEV
May 23, 2022
Added to Industry KEV feed
May 23, 2022
Added to CIRCL KEV
May 23, 2022
Added to ENISA EUVD
May 23, 2022
Publicly disclosed
Aug 15, 2022
Last updated
Oct 8, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryhttp://access.redhat.com/errata/RHSA-2022:6024
- advisoryhttp://access.redhat.com/errata/RHSA-2022:6043
- advisoryRHSA-2020:4035
- advisoryRHSA-2020:4451
- advisoryhttps://bugzilla.redhat.com/show_bug.cgi?id=1876611
FAQ
Common Questions.
A vulnerability was found in WebKit.
Affected: Codeready Linux Builder (Redhat) versions 8.0; Codeready Linux Builder Eus (Redhat) versions 8.4, 8.6; Codeready Linux Builder For Arm64 Eus (Redhat) versions 8.0, 8.4, 8.6, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 23, 2022.
Yes. It was added on May 23, 2022 with a federal remediation due date of Jun 13, 2022.
Public exploit code is available.
Fixed versions are available, including dleyna-renderer 0.6.0-3.el8, frei0r-devel 1.6.1-7.el8, frei0r-plugins 1.6.1-7.el8.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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