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


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.52% (78th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3JSC-4291604
  • published25 Jan 2022
  • disclosed21 Jan 2022

Introduced: 21 Jan 2022

CVE-2021-30953  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3-jsc 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-jsc package and not the webkit2gtk3-jsc package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

An out-of-bounds read was addressed with improved bounds checking. 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