Vulnerability · Published Jul 21, 2020 · Assigned by mitre
CVE-2020-15890
High 7.5
In plain English
A high-severity security flaw in the luajit package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.1%top 12.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | luajit | 2.1.0~beta3+git20210112+dfsg-2 | DEBIAN-CVE-2020-15890 |
| Debian:13 | luajit | 2.1.0~beta3+git20210112+dfsg-2 | DEBIAN-CVE-2020-15890 |
| Debian:14 | luajit | 2.1.0~beta3+git20210112+dfsg-2 | DEBIAN-CVE-2020-15890 |
| Ubuntu:22.04:LTS | luajit | no fix listed | UBUNTU-CVE-2020-15890 |
Affected products (as reported)
References
- https://github.com/LuaJIT/LuaJIT/issues/601 x_refsource_MISC
- [debian-lts-announce] 20200728 [SECURITY] [DLA 2296-1] luajit security update mailing-list, x_refsource_MLIST
- USN-4501-1 vendor-advisory, x_refsource_UBUNTU
- https://lists.debian.org/debian-lts-announce/2025/08/msg00022.html