CVE-2020-13543

HIGH
8.8
CVSS Score
Published: December 3, 2020 at 04:24 PM UTC
Updated: June 17, 2026 at 02:53 AM UTC
1 product affected across 1 vendorWebKitGTK

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

Description

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202012-10
x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1155
x_refsource_MISCNot ApplicableThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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