Use After Free Affecting webkit2gtk package, versions <2.35.2-1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.67% (81st percentile)

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  • Snyk IDSNYK-UBUNTU2204-WEBKIT2GTK-2782853
  • published26 Jan 2022
  • disclosed24 Aug 2021

Introduced: 24 Aug 2021

CVE-2021-30936  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 webkit2gtk to version 2.35.2-1 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 Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Scores

version 3.1