SB2022012553 - Fedora 34 update for lua
Published: January 25, 2022
Security Bulletin ID
SB2022012553
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) Type Confusion (CVE-ID: CVE-2021-44647)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion error within the funcnamefromcode() function in ldebug.c. A remote attacker can pass specially crafted data to the application, trigger a type confusion error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.