| Name | CVE-2020-6839 |
| Description | In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c. |
| 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) | 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 | (unstable) | (not affected) | | | |
Notes
- mruby <not-affected> (Vulnerable code not present)
https://github.com/mruby/mruby/issues/4929
Introduced by: https://github.com/mruby/mruby/commit/2532e625edc2457447369e36e2ecf7882d872ef9
Fixed by: https://github.com/mruby/mruby/commit/2124b9b4c95e66e63b1eb26a8dab49753b82fd6c