CVE-2020-13584

webkitgtk: use-after-free may lead to arbitrary code execution

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se presenta una vulnerabilidad explotable de uso de la memoria previamente liberada en el navegador WebKitGTK versión 2.30.1 x64. Una página web HTML especialmente diseñada puede causar una condición de uso de la memoria previamente liberada, resultando en una ejecución de código remota. La víctima necesita visitar un sitio web malicioso para desencadenar esta vulnerabilidad

An update that fixes 5 vulnerabilities is now available. This update for webkit2gtk3 fixes the following issues. Fixed a use after free which could have led to arbitrary code execution. Fixed a use after free which could have led to arbitrary code execution. Fixed a type confusion which could have led to arbitrary code execution. Fixed a use after free which could have led to arbitrary code execution. Fixed an out of bounds write which could have led to arbitrary code execution. Same version. With JIT disabled. Also disable sampling profiler, since it conflicts with c_loop. This update was imported from the SUSE:SLE-15:Update update project.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-26 CVE Reserved
2020-11-28 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2025-07-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1195	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2	2023-11-07
https://security.gentoo.org/glsa/202012-10	2023-11-07
https://access.redhat.com/security/cve/CVE-2020-13584	2025-07-07
https://bugzilla.redhat.com/show_bug.cgi?id=1901212	2025-07-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Webkitgtk Search vendor "Webkitgtk"		Webkitgtk Search vendor "Webkitgtk" for product "Webkitgtk"				2.30.1 Search vendor "Webkitgtk" for product "Webkitgtk" and version "2.30.1"		x64		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected