SB2026012920 - Anolis OS update for python-aiohttp



SB2026012920 - Anolis OS update for python-aiohttp

Published: January 29, 2026

Security Bulletin ID SB2026012920
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

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

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2025-69225)

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to the application allows non-ASCII decimals to be present in the Range header. A remote attacker can send a specially crafted HTTP request to the server and potentially smuggle arbitrary HTTP headers.



2) Infinite loop (CVE-ID: CVE-2025-69227)

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

The vulnerability exists due to infinite loop within the Request.post() method when optimisations are enabled (-O or PYTHONOPTIMIZE=1). A remote attacker send multiple HTTP POST requests to the server and perform a denial of service attack.


3) Resource exhaustion (CVE-ID: CVE-2025-69228)

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

The vulnerability exists due to application does not properly control consumption of internal resources within the Request.post() method. A remote attacker can send large HTTP payloads to the application to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.