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Use After Free Affecting webkit2gtk package, versions <2.30.3-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.66% (88th percentile)
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NVD
8.8 high
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SUSE
8.8 high
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Red Hat
8.8 high

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  • Snyk ID SNYK-DEBIAN11-WEBKIT2GTK-1047421
  • published 1 Dec 2020
  • disclosed 3 Dec 2020
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Introduced: 1 Dec 2020

CVE-2020-13543 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Debian:11 webkit2gtk to version 2.30.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk package and not the webkit2gtk package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.