CVE-2020-6840

NameCVE-2020-6840
DescriptionIn mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mruby (PTS)jessie1.0.0+20141015+gitb4cc962c-1undetermined
stretch1.2.0+20161228+git30d5424a-1undetermined
bullseye, sid, buster2.0.0-1undetermined

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mrubysource(unstable)undetermined

Notes

https://github.com/mruby/mruby/issues/4927
https://github.com/mruby/mruby/commit/fc8fb41451b07b3fda0726ba80e88e509ad02452
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