SB2025123045 - openEuler update for python-tornado
Published: December 30, 2025
Security Bulletin ID
SB2025123045
CSH 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 vulnerability.
1) Excessive Iteration (CVE-ID: CVE-2025-67726)
CWE-ID: CWE-834 - Excessive Iteration
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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.