Use After Free Affecting webkit2gtk package, versions <2.32.3-1ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.43% (76th percentile)

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  • Snyk IDSNYK-UBUNTU2204-WEBKIT2GTK-2776932
  • published27 Jul 2021
  • disclosed8 Sept 2021

Introduced: 27 Jul 2021

CVE-2021-30795  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 webkit2gtk to version 2.32.3-1ubuntu1 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 iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Scores

version 3.1