TencentOS Server 3: python-urllib3 (TSSA-2026:1427)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:1427 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

TencentOS Server 4: python-urllib3 (TSSA-2026:1192)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:1192 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

OESA-2026-4503 python-urllib3 security update

Sanity-friendly HTTP client for Python Security Fixes: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or...

OESA-2026-4502 python-urllib3 security update

Sanity-friendly HTTP client for Python Security Fixes: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or...

OESA-2026-4501 python-urllib3 security update

Sanity-friendly HTTP client for Python Security Fixes: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or...

Important: python3.12-pip

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Important: python3.13-pip

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Amazon Linux 2023 : python3-urllib3 (ALAS2023-2026-3184)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3184 advisory. urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser...

Amazon Linux 2023 : python3.12-pip, python3.12-pip-wheel (ALAS2023-2026-3173)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3173 advisory. urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser...

Amazon Linux 2 : python-pip (ALAS-2026-3974)

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3974 advisory. urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers...

Important: python-urllib3

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Important: python-urllib3

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Important: python-pip

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Amazon Linux 2023 : python3.14-pip, python3.14-pip-wheel (ALAS2023-2026-3171)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3171 advisory. urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser...

Important: python3.11-pip

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Important: python3.14-pip

Issue Overview: urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser buffers the chunk-size field until newline or EOF without a length bound. The trigge...

Amazon Linux 2023 : python3-pip, python3-pip-wheel (ALAS2023-2026-3175)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3175 advisory. urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser...

Amazon Linux 2023 : python3.11-pip, python3.11-pip-wheel (ALAS2023-2026-3174)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3174 advisory. urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.readchunked and HTTPResponse.stream methods can allocate unbounded memory because the streaming chunk parser...

urllib3: Chunked Deflate streaming can enter an infinite loop

Impacturllib3's streaming API is designed for the efficient handling of large HTTP responses by reading content in chunks instead of loading the entire response body into memory at once.urllib3 can decompress response bodies according to the HTTP Content-Encoding header. When streaming a...

PYSEC-2026-4176 urllib3: Chunked Deflate streaming can enter an infinite loop

Impact urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading content in chunks instead of loading the entire response body into memory at once. urllib3 can decompress response bodies according to the HTTP Content-Encoding header. When streaming a...