Out-of-bounds Read in Luajit
CVE-2020-15890
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: +0.000
Affected products
- Luajit — versions 2.1.0
- Canonical Ubuntu Linux — versions 16.04
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/LuaJIT/LuaJIT/issues/601 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00026.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4501-1/ (vendor-advisory, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2020-15890?
- CVE-2020-15890 is a high-severity vulnerability in Luajit, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-07-21.
- How severe is CVE-2020-15890?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-15890 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.