| Name | CVE-2021-46023 |
| Description | An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerability causes a segmentation fault and application crash. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mruby (PTS) | jessie | 1.0.0+20141015+gitb4cc962c-1 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.2.0+20161228+git30d5424a-1+deb9u1 | vulnerable |
| buster | 2.0.0-1 | vulnerable |
| bullseye | 2.1.2-3 | vulnerable |
| bookworm | 3.1.0-3 | fixed |
| sid, trixie | 3.3.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| mruby | source | jessie | (unfixed) | end-of-life | | |
| mruby | source | (unstable) | 3.1.0-1 | | | |
Notes
[bullseye] - mruby <no-dsa> (Minor issue)
[buster] - mruby <no-dsa> (Minor issue)
https://github.com/mruby/mruby/issues/5613
[stretch] - mruby <postponed> (Minor issue, DoS/crash)