CVE-2025-69223

HIGH7.5EPSS 0.06%

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

Published: 1/5/2026Modified: 2/4/2026

Also known as:GHSA-6mq8-rvhq-8wggCGA-ccpp-7crv-29xh

Description

### Summary A zip bomb can be used to execute a DoS against the aiohttp server. ### Impact An attacker may be able to send a compressed request that when decompressed by aiohttp could exhaust the host's memory. ------ Patch: https://github.com/aio-libs/aiohttp/commit/2b920c39002cee0ec5b402581779bbaaf7c9138a

Affected packages (2)

Debian/python-aiohttpfrom 0
PyPI/aiohttpfrom 0, < 3.13.3

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-69223
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-69223
PATCHhttps://github.com/aio-libs/aiohttp
WEBhttps://github.com/aio-libs/aiohttp/commit/2b920c39002cee0ec5b402581779bbaaf7c9138a
WEBhttps://github.com/aio-libs/aiohttp/security/advisories/GHSA-6mq8-rvhq-8wgg