Title: Bump urllib3 from 2.6.3 to 2.7.0 by dependabot[bot] · Pull Request #52 · ma2za/python-substack · GitHub
Open Graph Title: Bump urllib3 from 2.6.3 to 2.7.0 by dependabot[bot] · Pull Request #52 · ma2za/python-substack
X Title: Bump urllib3 from 2.6.3 to 2.7.0 by dependabot[bot] · Pull Request #52 · ma2za/python-substack
Description: Bumps urllib3 from 2.6.3 to 2.7.0.
Release notes
Sourced from urllib3's releases.
2.7.0
🚀 urllib3 is fundraising for HTTP/2 support
urllib3 is raising ~$40,000 USD to release HTTP/2 support and ensure long-term sustainable maintenance of the project after a sharp decline in financial support. If your company or organization uses Python and would benefit from HTTP/2 support in Requests, pip, cloud SDKs, and thousands of other projects please consider contributing financially to ensure HTTP/2 support is developed sustainably and maintained for the long-haul.
Thank you for your support.
Security
Addressed high-severity security issues. Impact was limited to specific use cases detailed in the accompanying advisories; overall user exposure was estimated to be marginal.
Decompression-bomb safeguards of the streaming API were bypassed:
When HTTPResponse.drain_conn() was called after the response had been read and decompressed partially. (Reported by @Cycloctane)
During the second HTTPResponse.read(amt=N) or HTTPResponse.stream(amt=N) call when the response was decompressed using the official Brotli library. (Reported by @kimkou2024)
See GHSA-mf9v-mfxr-j63j for details.
HTTP pools created using ProxyManager.connection_from_url did not strip sensitive headers specified in Retry.remove_headers_on_redirect when redirecting to a different host. (GHSA-qccp-gfcp-xxvc reported by @christos-spearbit)
Deprecations and Removals
Used FutureWarning instead of DeprecationWarning for better visibility of existing deprecation notices. Rescheduled the removal of deprecated features to version 3.0. (urllib3/urllib3#3763)
Removed support for end-of-life Python 3.9. (urllib3/urllib3#3720)
Removed support for end-of-life PyPy3.10. (urllib3/urllib3#4979)
Bumped the minimum supported pyOpenSSL version to 19.0.0. (urllib3/urllib3#3777)
Bugfixes
Fixed a bug where HTTPResponse.read(amt=None) was ignoring decompressed data buffered from previous partial reads. (urllib3/urllib3#3636)
Fixed a bug where HTTPResponse.read() could cache only part of the response after a partial read when cache_content=True. (urllib3/urllib3#4967)
Fixed HTTPResponse.stream() and HTTPResponse.read_chunked() to handle amt=0. (urllib3/urllib3#3793)
Updated _TYPE_BODY type alias to include missing Iterable[str], matching the documented and runtime behavior of chunked request bodies. (urllib3/urllib3#3798)
Fixed LocationParseError when paths resembling schemeless URIs were passed to HTTPConnectionPool.urlopen(). (urllib3/urllib3#3352)
Fixed BaseHTTPResponse.readinto() type annotation to accept memoryview in addition to bytearray, matching the io.RawIOBase.readinto contract and enabling use with io.BufferedReader without type errors. (urllib3/urllib3#3764)
Changelog
Sourced from urllib3's changelog.
2.7.0 (2026-05-07)
Security
Addressed high-severity security issues.
Impact was limited to specific use cases detailed in the accompanying
advisories; overall user exposure was estimated to be marginal.
Decompression-bomb safeguards of the streaming API were bypassed:
When HTTPResponse.drain_conn() was called after the response had been
read and decompressed partially.
During the second HTTPResponse.read(amt=N) or
HTTPResponse.stream(amt=N) call when the response was decompressed
using the official Brotli
Open Graph Description: Bumps urllib3 from 2.6.3 to 2.7.0. Release notes Sourced from urllib3's releases. 2.7.0 🚀 urllib3 is fundraising for HTTP/2 support urllib3 is raising ~$40,000 USD to release HTTP/2 support a...
X Description: Bumps urllib3 from 2.6.3 to 2.7.0. Release notes Sourced from urllib3's releases. 2.7.0 🚀 urllib3 is fundraising for HTTP/2 support urllib3 is raising ~$40,000 USD to release HTTP/2 suppo...
Opengraph URL: https://github.com/ma2za/python-substack/pull/52
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