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CVE-2020-6463

30
FAUCET Score

CVE-2020-6463 is a use-after-free vulnerability in ANGLE within Google Chrome prior to version 81.0.4044.122, allowing a remote attacker to potentially exploit heap corruption through a crafted HTML page. This high-severity vulnerability (CVSS 8.8) can be exploited with low attack complexity via a network and user interaction, leading to high impacts on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, its FAUCET Risk Score of 75/100 and significant media coverage (2 articles) indicate notable community attention, though no public exploit code or active exploitation is currently reported.

Impacted Technologies

VendorProductVersion(s)CPE
< 81.0.4044.122CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

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
2.89%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0289 is in the 85th percentile among its peer group of 14,875 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

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 (12)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: thunderbird-0:68.11.0-1.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:68.11.0-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:68.11.0-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:81.0.4044.122-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:68.11.0-1.el7_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:68.11.0-1.el7_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: firefox-0:68.11.0-1.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:68.11.0-1.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: firefox-0:68.11.0-1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: thunderbird-0:68.11.0-1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: firefox-0:68.11.0-1.el8_1
View patch
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2020-6463Important

chromium-browser: Use after free in ANGLE

Apr 21, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-06/msg00034.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-06/msg00038.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00008.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00011.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00022.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00025.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00032.html
Mailing ListThird Party Advisory
chromereleases.googleblog.com / 2020/04/stable-channel-update-for-desktop_21.html
Release NotesVendor Advisory
crbug.com / 1065186
Issue TrackingVendor Advisory
lists.debian.org / debian-lts-announce/2020/07/msg00027.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/08/msg00006.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/OQYH5OK7O4BU6E37WWG5SEEHV65BFSGR
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/WLFZ5N4EK6I4ZJP5YSKLLVN3ELXEB4XT
security.gentoo.org / glsa/202007-60
Third Party Advisory
security.gentoo.org / glsa/202007-64
Third Party Advisory
usn.ubuntu.com / 4443-1
Third Party Advisory
debian.org / security/2020/dsa-4714
Third Party Advisory
debian.org / security/2020/dsa-4736
Third Party Advisory
debian.org / security/2020/dsa-4740
Third Party Advisory