What’s Vulnerable › Vulnerabilities

CVE-2020-24369

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-17 · updated 2026-06-17
• Weakness: CWE-476

Description

ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.

Affected products

• Lua: 5.4.0

References

• https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a
• https://www.lua.org/bugs.html#5.4.0-12
• https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a
• https://www.lua.org/bugs.html#5.4.0-12

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