| Name | CVE-2020-36401 |
| Description | mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 990540 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mruby (PTS) | buster | 2.0.0-1 | fixed |
| bullseye | 2.1.2-3 | fixed |
| 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 | stretch | (not affected) | | | |
| mruby | source | buster | (not affected) | | | |
| mruby | source | (unstable) | 2.1.2-3 | | | 990540 |
Notes
[buster] - mruby <not-affected> (Vulnerable code not present)
[stretch] - mruby <not-affected> (Vulnerable code not present)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml
https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503
Introduced by: https://github.com/mruby/mruby/commit/9cdf439db52b66447b4e37c61179d54fad6c8f33 (2.1.2-rc)