python3-aiohttp: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
CVE-2026-34513 is fixed in 4 products on 1 platform, first by python3-aiohttp 3.0.1-1ubuntu0.1~esm7, released April 1, 2026. It is not reported as exploited. Patch Radar priority: High.
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation. This issue has been patched in version 3.13.4.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-aiohttp · Debian 12.15 (bookworm) | 3.8.4-1+deb12u2 | DEBIAN-CVE-2026-34513 | Apr 1, 2026 |
| python-aiohttp · Debian 14 | 3.13.5-1 | DEBIAN-CVE-2026-34513 | Apr 1, 2026 |
| python-aiohttp · opensuse-leap 16.0 | 3.11.16-160000.5.1 | OPENSUSE-SU-2026:21098-1 | Jun 19, 2026 |
| python-aiohttp · sles 15.6 | 3.9.3-150400.10.43.1 | SUSE-SU-2026:3207-1 | Jul 23, 2026 |
| python-aiohttp · sles 15.7 | 3.9.3-150400.10.43.1 | SUSE-SU-2026:3207-1 | Jul 23, 2026 |
| python-aiohttp · sles 16.0 | 3.11.16-160000.5.1 | SUSE-SU-2026:22173-1 | Jun 19, 2026 |
| python3-aiohttp · Ubuntu 18.04.6 LTS (bionic) | 3.0.1-1ubuntu0.1~esm7 | python3-aiohttp 3.0.1-1ubuntu0.1~esm7 | Apr 1, 2026 |
| python3-aiohttp · Ubuntu 22.04.1 LTS (jammy) | 3.8.1-4ubuntu0.2+esm3 | python3-aiohttp 3.8.1-4ubuntu0.2+esm3 | Apr 1, 2026 |
| python3-aiohttp · Ubuntu 24.04.5 LTS (noble) | 3.9.1-1ubuntu0.1+esm3 | python3-aiohttp 3.9.1-1ubuntu0.1+esm3 | Apr 1, 2026 |
| python3-aiohttp · Ubuntu 26.04.1 LTS (resolute) | 3.13.3-3ubuntu1+esm1 | python3-aiohttp 3.13.3-3ubuntu1+esm1 | Apr 1, 2026 |
| python39-oci-sdk · ol 9 | 0:2.187.0-1.0.5.el9 | ELSA-2026-604898 | Nov 7, 2026 |
| python39-oci-sdk-docs · ol 9 | 0:2.187.0-1.0.5.el9 | ELSA-2026-604898 | Nov 7, 2026 |
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