USN-8032-1: AIOHTTP vulnerabilities

Publication date

13 February 2026

Overview

Several security issues were fixed in AIOHTTP.


Packages

Details

Charles Chan discovered that AIOHTTP incorrectly handled the decompression
of compressed requests. A remote attacker could possibly use this issue to
cause a denial of service. This issue was only addressed in Ubuntu 25.10.
(CVE-2025-69223)

Thomas Rinsma discovered that AIOHTTP incorrectly handled non-ASCII
characters in HTTP headers. A remote attacker could possibly use this issue
to perform a request smuggling attack to bypass certain proxy protections.
This issue was only addressed in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
Ubuntu 25.10. (CVE-2025-69224)

Thomas Rinsma discovered that AIOHTTP incorrectly handled non-ASCII
characters in the Range header. A remote attacker could possibly use this
issue to perform a request smuggling attack. (CVE-2025-69225)

Thomas Rinsma discovered that AIOHTTP incorrectly...

Charles Chan discovered that AIOHTTP incorrectly handled the decompression
of compressed requests. A remote attacker could possibly use this issue to
cause a denial of service. This issue was only addressed in Ubuntu 25.10.
(CVE-2025-69223)

Thomas Rinsma discovered that AIOHTTP incorrectly handled non-ASCII
characters in HTTP headers. A remote attacker could possibly use this issue
to perform a request smuggling attack to bypass certain proxy protections.
This issue was only addressed in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and
Ubuntu 25.10. (CVE-2025-69224)

Thomas Rinsma discovered that AIOHTTP incorrectly handled non-ASCII
characters in the Range header. A remote attacker could possibly use this
issue to perform a request smuggling attack. (CVE-2025-69225)

Thomas Rinsma discovered that AIOHTTP incorrectly handled path
normalization when serving static files. A remote attacker could possibly
use this issue to obtain sensitive information. (CVE-2025-69226)

Thomas Rinsma discovered that AIOHTTP incorrectly handled certain POST
request bodies. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2025-69227)

Thomas Rinsma discovered that AIOHTTP incorrectly handled large POST
request payloads. A remote attacker could possibly use this issue to cause
a denial of service. (CVE-2025-69228)

It was discovered that AIOHTTP incorrectly handled chunked messages. A
remote attacker could possibly use this issue to cause a denial of service.
(CVE-2025-69229)


Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
25.10 questing python3-aiohttp –  3.11.16-1ubuntu0.1
24.04 LTS noble python3-aiohttp –  3.9.1-1ubuntu0.1+esm2  
22.04 LTS jammy python3-aiohttp –  3.8.1-4ubuntu0.2+esm2  
20.04 LTS focal python3-aiohttp –  3.6.2-1ubuntu1+esm5  
18.04 LTS bionic python3-aiohttp –  3.0.1-1ubuntu0.1~esm6  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›