Improper Input Validation Affecting webkit2gtk3-jsc package, versions <0:2.30.4-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.13% (50th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3JSC-3985331
  • published1 Sept 2021
  • disclosed28 Jul 2021

Introduced: 28 Jul 2021

CVE-2021-1826  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3-jsc to version 0:2.30.4-1.el8 or higher.
This issue was patched in RHSA-2021:1586.

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 logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting.

CVSS Scores

version 3.1