PYSEC-2026-1101

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

At a glance

Published
Updated
CVE
CVE-2025-69223
Aliases
GHSA-6mq8-rvhq-8wgg
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

PackageVersions
PyPI · aiohttpintroduced 0, fixed 3.13.3

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — PyPA Advisory Database