CVE-2020-11793

Name: CVE-2020-11793
Creator: NVD / NIST
Published: 2020-04-17T13:15:12.563+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.83%

Last modified Jun 17, 2026

CVE-2020-11793 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).. EPSS estimates a 2.83% chance of exploitation in the next 30 days.

Description

A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).

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

2.83%

84.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Webkitgtk	Webkitgtk	< 2.28.1
Wpewebkit	Wpe Webkit	< 2.28.1
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Opensuse	Leap	15.1

References

Timeline

Published: Apr 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11793?

How severe is CVE-2020-11793?

CVE-2020-11793 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.83% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11793?

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-2020-11793?

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

Scan your code now

Source: NVD / NIST