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
40/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.75% LOW
1% probability -0.21%
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: 0.75%• Percentile: 74%

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

  • canonical•ubuntu_linux

    16.04

  • debian•debian_linux

    9.0

  • luajit•luajit

    ≤ 2.0.5 | 2.1.0:beta1 | 2.1.0:beta2 | 2.1.0:beta3

References (4)