SB2026010587 - SUSE update for python-tornado6 



SB2026010587 - SUSE update for python-tornado6

Published: January 5, 2026

Security Bulletin ID SB2026010587
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Improper Neutralization of HTTP Headers for Scripting Syntax (CVE-ID: CVE-2025-67724)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to a missing validation of the reason phrase in HTTP response. A remote attacker can inject arbitrary values into the HTTP server response and perform XSS attacks.


2) Excessive Iteration (CVE-ID: CVE-2025-67725)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to excessive iteration within the HTTPHeaders.add() method. A remote attacker can send a specially crafted HTTP request and perform a denial of service attack


3) Excessive Iteration (CVE-ID: CVE-2025-67726)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to excessive iteration within the _parseparam() function in httputil.py when parsing specific HTTP header values. A remote attacker can send a specially crafted HTTP request and perform a denial of service attack


Remediation

Install update from vendor's website.