Out-of-bounds Read in Lua

CVE-2020-15888

Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.

Vulnerability class: Buffer Overflow

EPSS: 0.024 (82.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Lua — versions 5.4.0
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-15888?
CVE-2020-15888 is a high-severity vulnerability in Lua, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2020-07-21.
How severe is CVE-2020-15888?
High severity. CVSS v3 base score is 8.8 out of 10.