SB2026020204 - Red Hat Enterprise Linux 8 update for python3
Published: February 2, 2026
Security Bulletin ID
SB2026020204
Severity
Low
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 algorithmic complexity (CVE-ID: CVE-2025-12084)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to usage of a quadratic algorithm when building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache(). A remote attacker can force the application to create excessively nested documents, leading to a denial of service condition.
Remediation
Install update from vendor's website.