HIGH

CVE-2019-8820

CVSS v3

8.8

HIGH

EPSS Score

9.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

dleyna-rendererAlmaLinux:8all versions · fixed in 0.6.0-3.el8
frei0r-pluginsAlmaLinux:8all versions · fixed in 1.6.1-7.el8and 2 other packages
gnome-remote-desktopAlmaLinux:8all versions · fixed in 0.1.8-3.el8
gtk-docAlmaLinux:8all versions · fixed in 1.28-2.el8
gvfsAlmaLinux:8all versions · fixed in 1.36.2-10.el8
LibRaw-develAlmaLinux:8all versions · fixed in 0.19.5-2.el8
libsoupAlmaLinux:8all versions · fixed in 2.62.3-2.el8and 1 other package
mutter-develAlmaLinux:8all versions · fixed in 3.32.2-48.el8

10 more package ranges on OSV.dev

Vendor advisories

CVE-2019-8820 Red Hat Product Security342 products fixed · 9 known affected
webkitgtk: Multiple memory corruption issues leading to arbitrary code execution
webkitgtk as a component of Red Hat Enterprise Linux 6 · webkitgtk-devel as a component of Red Hat Enterprise Linux 6 · webkitgtk-doc as a component of Red Hat Enterprise Linux 6
RHSA-2020:4451 Red Hat Product Security46 products fixed
Red Hat Security Advisory: GNOME security, bug fix, and enhancement update
RHSA-2020:4035 Red Hat Product Security81 products fixed
Red Hat Security Advisory: webkitgtk4 security, bug fix, and enhancement update

Full record on NVD

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. Processing maliciously crafted web content may lead to arbitrary code execution.

Technical details

Published: 2019-12-18
Exploit-DB: EDB-47590

Frequently asked questions

What is CVE-2019-8820?

Is CVE-2019-8820 actively exploited?

Active exploitation of CVE-2019-8820 has not been confirmed. Its EPSS score was 9.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8820?

CVE-2019-8820 has a CVSS v3 base score of 8.8 (HIGH severity).

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