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CVE-2026-34525

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4.

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34520

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34519

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34518

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34517

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, for some multipart form fields, aiohttp read the entire field into memory before checking client_max_size. This issue has...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34516

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, a response with an excessive number of multipart headers may be allowed to use more memory than intended, potentially...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34515

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Windows the static resource handler may expose information about a NTLMv2 remote path. This issue has been patched in...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34514

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits....

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34513

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation. This issue has been...

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-22815

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

1 affected package

python-aiohttp

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages