CVE-2020-13584

Name: CVE-2020-13584
Creator: NVD / NIST
Published: 2020-12-03T17:15:12.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 4.45%

Last modified Jun 17, 2026

CVE-2020-13584 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. EPSS estimates a 4.45% chance of exploitation in the next 30 days.

Description

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

4.45%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Webkitgtk	Webkitgtk	2.30.1
Fedoraproject	Fedora	32

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
https://security.gentoo.org/glsa/202012-10Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1195Exploit, Technical Description, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
https://security.gentoo.org/glsa/202012-10Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1195Exploit, Technical Description, Third Party Advisory

Timeline

Published: Dec 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13584?

How severe is CVE-2020-13584?

CVE-2020-13584 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 4.45% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13584?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13584?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST