Is CVE-2025-69229 in the CISA KEV catalog?

No. CVE-2025-69229 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-69229?

CVE-2025-69229 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-69229?

CVE-2025-69229 has an EPSS score of 0.34% (26th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-69229?

Upgrade python-aiohttp on debian 11 to 3.7.4-1+deb11u2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2025-69229

MEDIUM

5.3

CVSS v3

NVD

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, handling of chunked messages can result in excessive blocking CPU usage when receiving a large number of chunks. If an application makes use of the request.read() method in an endpoint, it may be possible for an attacker to cause the server to spend a moderate amount of blocking CPU time (e.g. 1 second) while processing the request. This could potentially lead to DoS as the server would be unable to handle other requests during that time. This issue is fixed in version 3.13.3.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

python-aiohttpDebian

Fixed in:3.7.4-1+deb11u2CVE-2025-69229

Fixed in:3.11.16-1+deb13u1CVE-2025-69229

Fixed in:3.13.3-1CVE-2025-69229

python-aiohttpUbuntu

Fixed in:3.0.1-1ubuntu0.1~esm6USN-8032-1

Fixed in:3.6.2-1ubuntu1+esm5USN-8032-1

Fixed in:3.8.1-4ubuntu0.2+esm2USN-8032-1

Fixed in:3.9.1-1ubuntu0.1+esm2USN-8032-1

Fixed in:3.11.16-1ubuntu0.1USN-8032-1

python3-aiohttpUbuntu

Fixed in:3.0.1-1ubuntu0.1~esm6USN-8032-1

Fixed in:3.6.2-1ubuntu1+esm5USN-8032-1

Fixed in:3.8.1-4ubuntu0.2+esm2USN-8032-1

Fixed in:3.9.1-1ubuntu0.1+esm2USN-8032-1

Fixed in:3.11.16-1ubuntu0.1USN-8032-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.34%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Patch3

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-13.