CVE-2020-6838: Use After Free
First published: Sat Jan 11 2020(Updated: )
In mruby 2.1.0, there is a use-after-free in hash_values_at in mrbgems/mruby-hash-ext/src/hash-ext.c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mruby Mruby | =2.1.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-6838?
CVE-2020-6838 is a vulnerability in mruby 2.1.0 that allows for a use-after-free in hash_values_at in mrbgems/mruby-hash-ext/src/hash-ext.c.
How severe is CVE-2020-6838?
CVE-2020-6838 has a severity rating of 9.8, which is considered critical.
What software versions are affected by CVE-2020-6838?
Versions 2.1.0 of mruby are affected by CVE-2020-6838.
How can I fix CVE-2020-6838?
To fix CVE-2020-6838, it is recommended to update to a version of mruby that is not affected by the vulnerability.
Is there any additional information about CVE-2020-6838?
Yes, you can find more information about CVE-2020-6838 at the following reference: https://github.com/mruby/mruby/issues/4926
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