SB2024121195 - Red Hat Enterprise Linux 9 update for ruby
Published: December 11, 2024
Security Bulletin ID
SB2024121195
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) Inefficient regular expression complexity (CVE-ID: CVE-2024-49761)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when parsing an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Remediation
Install update from vendor's website.