VulnerabilityModified
CVE-2025-69223
Versions 3.13.2 and below allow a zip bomb to be used to execute a DoS against the AIOHTTP server.
HIGH 7.5EPSS 0.57%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.57% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-409, CWE-770
- Affected
- aiohttp/aiohttp
- Source
- security-advisories@github.com
References
- https://github.com/aio-libs/aiohttp/commit/2b920c39002cee0ec5b402581779bbaaf7c9138aPatch
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6mq8-rvhq-8wggPatch, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:10184
- https://access.redhat.com/errata/RHSA-2026:1249
- https://access.redhat.com/errata/RHSA-2026:1497
- https://access.redhat.com/errata/RHSA-2026:1506
- https://access.redhat.com/errata/RHSA-2026:1596
- https://access.redhat.com/errata/RHSA-2026:1599
- https://access.redhat.com/errata/RHSA-2026:1609
- https://access.redhat.com/errata/RHSA-2026:19712
- https://access.redhat.com/errata/RHSA-2026:2106
- https://access.redhat.com/errata/RHSA-2026:2695
- https://access.redhat.com/errata/RHSA-2026:3461
- https://access.redhat.com/errata/RHSA-2026:3462
- https://access.redhat.com/errata/RHSA-2026:3713
- https://access.redhat.com/errata/RHSA-2026:37275
- https://access.redhat.com/errata/RHSA-2026:3782
- https://access.redhat.com/errata/RHSA-2026:3958
- https://access.redhat.com/errata/RHSA-2026:3959
- https://access.redhat.com/errata/RHSA-2026:3960
- https://access.redhat.com/errata/RHSA-2026:41928
- https://access.redhat.com/errata/RHSA-2026:59155
- https://access.redhat.com/errata/RHSA-2026:59159
- https://access.redhat.com/errata/RHSA-2026:61628
- https://access.redhat.com/errata/RHSA-2026:6308
- https://access.redhat.com/errata/RHSA-2026:6309
- https://access.redhat.com/security/cve/CVE-2025-69223
- https://bugzilla.redhat.com/show_bug.cgi?id=2427456
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-69223.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.