CWE
416
Advisory Published
Updated

CVE-2020-6840: Use After Free

First published: Sat Jan 11 2020(Updated: )

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

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mruby Mruby=2.1.0

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2020-6840.

  • What is the severity of CVE-2020-6840?

    The severity of CVE-2020-6840 is critical with a CVSS score of 9.8.

  • What is the affected software version of CVE-2020-6840?

    The affected software version of CVE-2020-6840 is mruby 2.1.0.

  • What is the description of CVE-2020-6840?

    CVE-2020-6840 is a use-after-free vulnerability in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c in mruby 2.1.0.

  • Is there a fix available for CVE-2020-6840?

    Yes, a fix for CVE-2020-6840 is available. Please refer to the referenced link for more information.

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