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CVE-2025-69223

AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb

CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2025-69223

Published

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a zip bomb to be used to execute a DoS against the AIOHTTP server. An attacker may be able to send a compressed request that when decompressed by AIOHTTP could exhaust the host's memory. This issue is fixed in version 3.13.3.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2025-69223

Published

aiohttp

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "aio-libs",
                    "product": "aiohttp",
                    "versions": [
                        {
                            "version": "< 3.13.3",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON