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CVE-2020-6840

CVE-2020-6840

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

In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.

CVSS 9.8 · Critical · EPSS 1.5%

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • mruby Ubuntu:16.04:LTS

    Versions
    • 1.1.0+20150817+gita1731254-1
    • 1.1.0+20150906+git1cbbb7e1-1
    • 1.2.0+20160315+git4f20d58a-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:18.04:LTS

    Versions
    • 1.3.0-1
    • 1.3.0+20170925+git38185028-1
    • 1.3.0+20171029+git77edafb0-1
    • 1.4.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:20.04:LTS

    Versions
    • 2.0.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:22.04:LTS

    Versions
    • 2.1.2-3
    • 3.0.0-1
    • 3.0.0-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:24.04:LTS

    Versions
    • 3.2.0-1
    • 3.2.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:25.10

    Versions
    • 3.3.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:26.10

    Versions
    • 3.4.0-2
    • 3.4.0-3
    • 4.0.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mruby Ubuntu:26.04:LTS

    Versions
    • 3.3.0-1
    • 3.4.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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