CVE-2021-46020

NameCVE-2021-46020
DescriptionAn untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mruby (PTS)stretch1.2.0+20161228+git30d5424a-1vulnerable
stretch (security)1.2.0+20161228+git30d5424a-1+deb9u1vulnerable
buster2.0.0-1vulnerable
bullseye2.1.2-3vulnerable
bookworm, sid3.0.0-4vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mrubysource(unstable)(unfixed)

Notes

[bullseye] - mruby <no-dsa> (Minor issue)
[buster] - mruby <no-dsa> (Minor issue)
[stretch] - mruby <postponed> (revisit when/if fix is complete)
https://github.com/mruby/mruby/issues/5613

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