| Name | CVE-2020-15890 |
| Description | LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2296-1 |
| NVD severity | medium |
| Debian Bugs | 966148 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| luajit (PTS) | stretch | 2.0.4+dfsg-1 | vulnerable |
| stretch (security) | 2.0.4+dfsg-1+deb9u1 | fixed |
| buster | 2.1.0~beta3+dfsg-5.1 | vulnerable |
| bullseye, sid | 2.1.0~beta3+dfsg-5.3 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| luajit | source | stretch | 2.0.4+dfsg-1+deb9u1 | | DLA-2296-1 | |
| luajit | source | (unstable) | (unfixed) | unimportant | | 966148 |
Notes
https://github.com/LuaJIT/LuaJIT/issues/601
https://github.com/LuaJIT/LuaJIT/commit/53f82e6e2e858a0a62fd1a2ff47e9866693382e6
No security impact, only "exploitable" with untrusted Lua code