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CVE-2019-8720

65
FAUCET Score

CVE-2019-8720 is a critical memory corruption vulnerability in WebKit, affecting products like Red Hat, WebKitGTK, and WPE WebKit. This flaw allows attackers to achieve arbitrary code execution by enticing users to process maliciously crafted web content. With a CVSS score of 8.8 (HIGH), it poses a significant risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. Notably, this vulnerability is listed in CISA's KEV catalog, indicating active exploitation in the wild, despite a lack of public exploit code or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.26.0CPE matchmatch criteria
cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
< 2.26.0CPE matchmatch criteria
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*
8.4CPE matchmatch criteria
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.4:*:*:*:*:*:*:*
8.6CPE matchmatch criteria
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Added to KEV · May 23, 2022
This CVE's current EPSS score of 0.0154 is in the 71st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk4-0:2.28.2-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.28.4-1.el8
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk3

Vendor Advisories (1)

redhatCVE-2019-8720Moderate

webkitgtk: Multiple memory corruption issues leading to arbitrary code execution

Oct 29, 2019

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
webkitgtk.org / security/WSA-2019-0005.html
Vendor Advisory