UBUNTU-CVE-2026-22815
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 01 Apr 2026, 21:16
Last modified:20 May 2026, 16:24
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
01 Apr 2026, 21:16
Published
Vulnerability first disclosed
20 May 2026, 16:24
Last Modified
Vulnerability information updated
Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.
CVSS Metrics
- v4.0•MEDIUM•Score: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•python-aiohttp
all | all | all | all
References (5)
- https://ubuntu.com/security/CVE-2026-22815
- https://www.cve.org/CVERecord?id=CVE-2026-22815
- https://github.com/aio-libs/aiohttp/commit/0c2e9da51126238a421568eb7c5b53e5b5d17b36
- https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-w2fm-2cpv-w7v5