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Use After Free Affecting qt5-qtwebengine package, versions <5.15.3_git20200401-r0

Severity

 Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.27% (67th percentile)

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  • Snyk ID SNYK-ALPINE320-QT5QTWEBENGINE-7014143
  • published 23 May 2024
  • disclosed 9 Feb 2021
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Introduced: 9 Feb 2021

CVE-2021-21121 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 qt5-qtwebengine to version 5.15.3_git20200401-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qt5-qtwebengine package and not the qt5-qtwebengine package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

CVSS Scores

version 3.1
Expand this section

NVD

Recommended
9.6 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High