CVE-2020-15890
Aliases:ALPINE-CVE-2020-15890DEBIAN-CVE-2020-15890
Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 21 Jul 2020, 21:35
Last modified:03 Nov 2025, 18:07
Vulnerability Summary
Overall Risk (default)
medium
41/100 CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
2.89% LOW
3% probability +1.93%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
21 Jul 2020, 21:35
Published
Vulnerability first disclosed
03 Nov 2025, 18:07
Last Modified
Vulnerability information updated
Description
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 2.89%• Percentile: 86%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Affected Systems
- alpine•luajit
< 2.2.0-r3
- canonical•ubuntu_linux
16.04
- debian•luajit
< 2.1.0~beta3+dfsg-5.3+deb11u1 | < 2.1.0~beta3+git20210112+dfsg-2 | < 2.1.0~beta3+git20210112+dfsg-2 | < 2.1.0~beta3+git20210112+dfsg-2
- debian•debian_linux
9.0
- luajit•luajit
≤ 2.0.5 | 2.1.0:beta1 | 2.1.0:beta2 | 2.1.0:beta3
References (6)
- https://github.com/LuaJIT/LuaJIT/issues/601
- https://lists.debian.org/debian-lts-announce/2020/07/msg00026.html
- https://usn.ubuntu.com/4501-1/
- https://lists.debian.org/debian-lts-announce/2025/08/msg00022.html
- https://security.alpinelinux.org/vuln/CVE-2020-15890
- https://security-tracker.debian.org/tracker/CVE-2020-15890