AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 12 fixed, 7 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-770.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| aio-libs | aiohttp | before 3.13.3 | 3.13.3 | Patch available | CNA |
| — | aiohttp (PyPI) | before 3.13.3 | 3.13.3 | Patch available | GHSA-6mq8-rvhq-8wgg |
- aiohttp Vendoraio-libs Affected before 3.13.3 Fixed in 3.13.3 Patch available CNA
- aiohttp (PyPI) Vendor— Affected before 3.13.3 Fixed in 3.13.3 Patch available GHSA-6mq8-rvhq-8wgg
Remediation
- Fix · CNA aiohttp (aio-libs) Fixed in 3.13.3
- Fix · GHSA-6mq8-rvhq-8wgg aiohttp (PyPI) Fixed in 3.13.3 Advisory →
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Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Lightspeed | Affected | No fix yet |
| Red Hat AI Inference Server | Affected | No fix yet |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet |
| Red Hat Ansible Automation Platform Ansible Core 2 | Affected | No fix yet |
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet |
| Red Hat Satellite 6 | Affected | No fix yet |
| Red Hat AI Inference Server 3.2 | Fixed | RHSA-2026:3461, RHSA-2026:3462, RHSA-2026:61628 |
| Red Hat Ansible Automation Platform 2.4 | Fixed | RHSA-2026:1599 |
| Red Hat Ansible Automation Platform 2.4 for RHEL 8 | Fixed | RHSA-2026:1497 |
| Red Hat Ansible Automation Platform 2.4 for RHEL 9 | Fixed | RHSA-2026:1497 |
| Red Hat Ansible Automation Platform 2.5 | Fixed | RHSA-2026:1609, RHSA-2026:59159, RHSA-2026:6308 |
| Red Hat Ansible Automation Platform 2.5 for RHEL 8 | Fixed | RHSA-2026:1506, RHSA-2026:3959 |
| Red Hat Ansible Automation Platform 2.5 for RHEL 9 | Fixed | RHSA-2026:1506, RHSA-2026:3959 |
| Red Hat Ansible Automation Platform 2.6 | Fixed | RHSA-2026:1596, RHSA-2026:3960, RHSA-2026:59155, RHSA-2026:6309 |
| Red Hat Ansible Automation Platform 2.6 for RHEL 9 | Fixed | RHSA-2026:1249, RHSA-2026:3958 |
| Red Hat Migration Toolkit 1.8 | Fixed | RHSA-2026:41928 |
| Red Hat OpenShift AI 2.25 | Fixed | RHSA-2026:10184, RHSA-2026:2106, RHSA-2026:2695, RHSA-2026:3782 |
| Red Hat OpenShift AI 3.3 | Fixed | RHSA-2026:19712, RHSA-2026:3713, RHSA-2026:37275 |
Not affected: 17 products
- OpenShift Lightspeed
- OpenShift Service Mesh 2
- Red Hat Ansible Automation Platform 2
- Red Hat Ansible Automation Platform 2.4
- Red Hat Ansible Automation Platform 2.4 for RHEL 8
- Red Hat Ansible Automation Platform 2.4 for RHEL 9
- Red Hat Ansible Automation Platform 2.5
- Red Hat Ansible Automation Platform 2.5 for RHEL 8
- Red Hat Ansible Automation Platform 2.5 for RHEL 9
- Red Hat Ansible Automation Platform 2.6
- Red Hat Ansible Automation Platform 2.6 for RHEL 10
- Red Hat Ansible Automation Platform 2.6 for RHEL 9
- Red Hat Ansible Automation Platform Ansible Core 2
- Red Hat Migration Toolkit 1.8
- Red Hat OpenShift AI (RHOAI)
- Red Hat OpenShift AI 2.25
- Red Hat OpenShift AI 3.3
Timeline
- 2026-10-02 Threatist record created from CVE-2025-69223
- 2026-10-03 Alias added: GHSA-6mq8-rvhq-8wgg
References
More aio-libs vulnerabilities
- TI-2025-38826 aiomysql allows arbitrary access to client files through vulnerability of a malicious MySQL server CVSS 4.0HIGH 8.2
- TI-2024-15436 aiohttp.web.static(follow_symlinks=True) is vulnerable to directory traversal CVSS 3.1HIGH 7.5
- TI-2023-25769 Request smuggling in aiohttp CVSS 3.1HIGH 7.5
- TI-2023-18906 aiohttp vulnerable to HTTP request smuggling CVSS 3.1HIGH 7.5
- TI-2023-26746 aiohttp's ClientSession is vulnerable to CRLF injection via version CVSS 3.1HIGH 7.2
- TI-2026-66145 Multidict: Reference leak in CIMultiDict/MultiDict items-view union and subtraction CVSS 3.1MEDIUM 5.3
Sources
- CVE-2025-69223 · CVE Program
- CVE-2025-69223 · NVD
- FIRST EPSS
- GHSA-6mq8-rvhq-8wgg · GitHub Advisory Database · CC BY 4.0
- CVE-2025-69223 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences