Zip Bomb Vulnerability in AIOHTTP Framework by aio-libs
CVE-2025-69223

7.5HIGH

Key Information:

Vendor

Aio-libs

Status
Aiohttp
Vendor
CVE Published:
5 January 2026

What is CVE-2025-69223?

The AIOHTTP framework versions 3.13.2 and below are susceptible to a zip bomb vulnerability. This issue allows an attacker to send a specially crafted compressed request that, when decompressed, can significantly drain the host's memory resources, potentially leading to a denial of service (DoS). The vulnerability has been resolved in version 3.13.3, underscoring the importance of timely updates to protect systems from exploitation.

Affected Version(s)

aiohttp < 3.13.3

References

https://github.com/aio-libs/aiohttp/security/advisories/G...
x_refsource_CONFIRM
https://github.com/aio-libs/aiohttp/commit/2b920c39002cee...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.