Use After Free Affecting node package, versions [15.0.0,16.6.2) [13.0.0,14.17.5) [,12.22.5)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.44% (76th percentile)

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  • Snyk ID SNYK-UPSTREAM-NODE-1540540
  • published 12 Aug 2021
  • disclosed 11 Aug 2021
  • credit Unknown

How to fix?

Upgrade node to version 16.6.2, 14.17.5, 12.22.5 or higher.

Overview

node is a JavaScript runtime built on Chrome's V8 JavaScript engine.

Affected versions of this package are vulnerable to Use After Free on close http2 on stream canceling. An attacker might be able to exploit the memory corruption to change process behaviour.

The issue follows on from CVE-2021-22930 as the fix for it did not completely resolve the vulnerability.

CVSS Scores

version 3.1
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Snyk

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

7.5 high
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SUSE

9.8 critical
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Red Hat

7.5 high