Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-81779.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-81779
Upstream
Published
2026-04-01T21:17:00Z
Modified
2026-08-29T05:25:22Z
Summary
CVE-2026-34520 affecting package python-aiohttp 3.6.2-3
Details

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4.

References

Affected packages

Azure Linux:3 / python-aiohttp

Package

Name
python-aiohttp
Purl
pkg:rpm/azure-linux/python-aiohttp

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
3.6.2-3

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-81779.json"