urllib3 is an HTTP client library for Python. From 1.10.3 until 2.8.0, the HTTPResponse.read_chunked 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 trig...
Product
redhat/python-s3transfer vulnerabilities
7 published CVES affecting redhat/python-s3transfer, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 7
- Critical
- 0
- High
- 7
- Medium
- 0
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest redhat/python-s3transfer CVEs
Newest publication first
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HighCVSS 8.9
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HighCVSS 7.6
urllib3 is an HTTP client library for Python. From 1.26.0 until 2.8.0, the proxy_ssl_context, proxy_assert_hostname, proxy_assert_fingerprint, ssl_context, cert_reqs, verify_mode, use_forwarding_for_https=True, and CERT_NONE configuration paths fail to remain separated because ta...
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CVE-2026-44431 urllib3: Sensitive headers forwarded across origins in proxied low-level redirects
PublishedHighCVSS 8.2urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still forward these sensitive headers. This vulnerability is fixed in 2.7.0.
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CVE-2026-44432 urllib3: Decompression-bomb safeguards bypassed in parts of the streaming API
PublishedHighCVSS 8.9urllib3 is an HTTP client library for Python. From 2.6.0 to before 2.7.0, urllib3 could decompress the whole response instead of the requested portion (1) during the second HTTPResponse.read(amt=N) call when the response was decompressed using the official Brotli library or (2) w...
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HighCVSS 8.9 EPSS 2.9%
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 b...
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HighCVSS 8.9 EPSS 0.73%
urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chu...
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HighCVSS 8.9
urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage a...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.