Use After Free Affecting glib2-doc package, versions <0:2.56.4-9.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    1.32% (87th percentile)

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  • Snyk ID SNYK-RHEL8-GLIB2DOC-3968064
  • published 26 Jul 2021
  • disclosed 23 Nov 2020

How to fix?

Upgrade RHEL:8 glib2-doc to version 0:2.56.4-9.el8 or higher.
This issue was patched in RHSA-2021:1586.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glib2-doc package and not the glib2-doc package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.

CVSS Scores

version 3.1
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NVD

8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

8.8 high
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SUSE

8.8 high