In short
- CVE-2020-6838 is a CRITICAL (CVSS 9.8) vulnerability affecting mruby (mruby).
- Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 74.3% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
| Package | Affected versions | Patched versions |
|---|
| mruby | = 2.1.0
| No fix yet |
Description
In mruby 2.1.0, there is a use-after-free in hash_values_at in mrbgems/mruby-hash-ext/src/hash-ext.c.
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