SB2020072222 - Out-of-bounds read in LuaJIT
Published: July 22, 2020 Updated: August 8, 2020
Security Bulletin ID
SB2020072222
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2020-15890)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
Remediation
Install update from vendor's website.