CVE-2026-34513

low Red Hat
CVSS v3 Base Score
3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Published: April 1, 2026 (42 days ago)
Last Modified: April 1, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python. This vulnerability allows a remote attacker to cause excessive memory usage by exploiting an unbounded Domain Name System (DNS) cache. This can lead to a Denial of Service (DoS) condition, making the service unavailable to legitimate users.

CWE

CWE-770

Affected Products

Lightspeed CoreOpenShift LightspeedRed Hat AI Inference ServerRed Hat Ansible Automation Platform 2Red Hat Ansible Automation Platform Ansible Core 2Red Hat Enterprise Linux AI (RHEL AI) 3Red Hat OpenShift AI (RHOAI)Red Hat Satellite 6

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com 🔗 github.com