Out-of-bounds Write Affecting webkit2gtk3 package, versions <0:2.34.6-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.47% (77th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3-4247122
  • published31 Oct 2021
  • disclosed26 Oct 2021

Introduced: 26 Oct 2021

CVE-2021-30851  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3 to version 0:2.34.6-1.el8 or higher.
This issue was patched in RHSA-2022:1777.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3 package and not the webkit2gtk3 package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

CVSS Scores

version 3.1