Описание
urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP Content-Encoding header (e.g., gzip, deflate, br, or zstd). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applicat...
| Релиз | Статус | Примечание |
|---|---|---|
| devel | needed | |
| esm-apps/bionic | needed | |
| esm-apps/focal | needed | |
| esm-apps/jammy | needed | |
| esm-apps/noble | needed | |
| esm-apps/xenial | not-affected | code not present |
| esm-infra-legacy/trusty | not-affected | code not present |
| jammy | needed | |
| noble | needed | |
| plucky | needed |
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| Релиз | Статус | Примечание |
|---|---|---|
| devel | needed | |
| esm-infra-legacy/trusty | not-affected | code not present |
| esm-infra/bionic | needed | |
| esm-infra/focal | released | 1.25.8-2ubuntu0.4+esm3 |
| esm-infra/xenial | not-affected | code not present |
| jammy | released | 1.26.5-1~exp1ubuntu0.5 |
| noble | released | 2.0.7-1ubuntu0.4 |
| plucky | released | 2.3.0-2ubuntu0.3 |
| questing | released | 2.3.0-3ubuntu0.2 |
| upstream | needs-triage |
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EPSS
Связанные уязвимости
urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Application
urllib3 is an HTTP client library for Python. urllib3's streaming API ...
Decompression-bomb safeguards bypassed when following HTTP redirects (streaming API)
EPSS