Use After Free Affecting webkit2gtk3-jsc package, versions <0:2.32.3-2.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.63% (80th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3JSC-4162550
  • published26 Jul 2021
  • disclosed29 Mar 2021

Introduced: 29 Mar 2021

CVE-2021-1788  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3-jsc to version 0:2.32.3-2.el8 or higher.
This issue was patched in RHSA-2021:4381.

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.

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Scores

version 3.1