PT-2026-29602

CVE-2026-34513

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Published

2026-02-22

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Updated

2026-10-06

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4
Description AIOHTTP, an asynchronous HTTP client/server framework, is susceptible to excessive memory usage due to an unbounded DNS cache. This can potentially lead to a Denial of Service (DoS) situation if an application makes requests to a large number of hosts, causing the DNS cache to grow continuously.
Recommendations Update to version 3.13.4 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-770: Allocation of Resources Without Limits or Throttling
Related identifiers
CVE-2026-34513
BDU:2026-09559
GHSA-HCC4-C3V8-RX92
AZL-81758
CLEANSTART-2026-AN24336
CLEANSTART-2026-AN27706
CLEANSTART-2026-AZ09261
CLEANSTART-2026-CQ05396
CLEANSTART-2026-EM82280
CLEANSTART-2026-FU07345
CLEANSTART-2026-HP19968
CLEANSTART-2026-IR98353
CLEANSTART-2026-KE11953
CLEANSTART-2026-MR94452
CLEANSTART-2026-NL78203
CLEANSTART-2026-NM83456
CLEANSTART-2026-QE89118
CLEANSTART-2026-SO50412
CLEANSTART-2026-WQ85001
CLEANSTART-2026-WU03167
CLEANSTART-2026-ZI74051
ECHO-BC93-24A8-8727
OESA-2026-2192
OESA-2026-2193
OESA-2026-2194
OPENSUSE-SU-2026:21098-1
PYSEC-2026-2095
SUSE-SU-2026:22173-1
SUSE-SU-2026:3059-1
SUSE-SU-2026:3207-1
USN-8591-1
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