VulnerabilityModified
CVE-2020-24369
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.
HIGH 7.5EPSS 1.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.73% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- lua/lua
- Source
- cve@mitre.org
References
- https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3aPatch, Third Party Advisory
- https://www.lua.org/bugs.html#5.4.0-12Exploit, Vendor Advisory
- https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3aPatch, Third Party Advisory
- https://www.lua.org/bugs.html#5.4.0-12Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.