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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: -0.000
Affected products
- Lua — versions 5.4.0
Weakness classification (CWE)
References
- github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5 (Patch, Third Party Advisory)
- github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7 (Patch, Third Party Advisory)
- lua-users.org/lists/lua-l/2020-07/msg00053.html (Exploit, Mailing List, Third Party Advisory)
- lua-users.org/lists/lua-l/2020-07/msg00054.html (Exploit, Mailing List, Third Party Advisory)
- lua-users.org/lists/lua-l/2020-07/msg00071.html (Exploit, Mailing List, Third Party Advisory)
- lua-users.org/lists/lua-l/2020-07/msg00079.html (Exploit, Mailing List, Third Party Advisory)
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.