What’s Vulnerable › Vulnerabilities

CVE-2020-15890

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-07-21 · updated 2026-06-17
• Weakness: CWE-125

Description

LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.

Affected products

• Canonical Ubuntu Linux: 16.04
• Debian Linux: 9.0
• Luajit: through 2.0.5; 2.1.0-beta1, 2.1.0-beta2, 2.1.0-beta3

References

• 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://github.com/LuaJIT/LuaJIT/issues/601
• https://lists.debian.org/debian-lts-announce/2020/07/msg00026.html
• https://lists.debian.org/debian-lts-announce/2025/08/msg00022.html
• https://usn.ubuntu.com/4501-1/

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