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CVE-2020-1892

CVE-2020-1892

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.

CVSS 8.1 · High · EPSS 1.1%

Published
Updated

Stack: system

Affected products and versions

  • hhvm

    Versions
    • 4.45.1: Affected
    • 4.45.0: Affected
    • 4.44.1: Affected
    • 4.44.0: Affected
    • 4.43.1: Affected
    • 4.43.0: Affected
    • 4.42.1: Affected
    • 4.42.0: Affected
    • 4.41.1: Affected
    • 4.41.0: Affected
    • 4.40.1: Affected
    • 4.40.0: Affected
    • 4.39.1: Affected
    • 4.39.0: Affected
    • 4.38.1: Affected
    • ≥ 4.33.0, < unspecified: Affected (custom)
    • 4.32.1: Affected
    • ≥ 4.9.0, < unspecified: Affected (custom)
    • 4.8.7: Affected
    • ≥ unspecified, ≤ 4.8.6: Affected (custom)

    No fix published

  • hhvm Ubuntu:16.04:LTS

    Versions
    • 3.11.0+dfsg-1
    • 3.11.1+dfsg-1
    • 3.11.1+dfsg-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hhvm Ubuntu:18.04:LTS

    Versions
    • 3.21.0+dfsg-2
    • 3.21.0+dfsg-2build1
    • 3.21.0+dfsg-2build2
    • 3.21.0+dfsg-2build3
    • 3.21.0+dfsg-2ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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