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CVE-2026-97689

Medium priority
Needs evaluation

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...

2 affected packages

python-urllib3, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-urllib3 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-97688

Medium priority
Needs evaluation

urllib3 is an HTTP client library for Python. From 2.6.2 until 2.8.0, HTTPResponse.stream and HTTPResponse.read_chunked can enter an infinite loop because the Deflate decoder retains trailing bytes as unconsumed input after...

2 affected packages

python-urllib3, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-urllib3 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-97687

Medium priority
Needs evaluation

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...

2 affected packages

python-urllib3, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-urllib3 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-13346

Medium priority
Needs evaluation

pip would incorrectly handle doubly-encoded package URLs from indexes allowing for files to be installed to arbitrary locations on disk even when installing wheels. This vulnerability requires downloading or installing a package...

2 affected packages

pipenv, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
pipenv Needs evaluation Needs evaluation Needs evaluation Needs evaluation —
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-57585

Medium priority
Needs evaluation

MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker reuse after a caught error, potentially leading to a DoS attack. If the Unpacker is...

3 affected packages

python-msgpack, python-pip, python-srsly

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-msgpack Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
python-srsly Needs evaluation Needs evaluation Not in release — —
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CVE-2026-9375

Medium priority
Vulnerable

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

2 affected packages

python-urllib3, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-urllib3 Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
python-pip Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2026-45409

Medium priority

Some fixes available 3 of 15

Internationalized Domain Names in Applications (IDNA) for Python provides support for Internationalized Domain Names in Applications (IDNA) and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as...

2 affected packages

python-idna, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-idna Fixed Fixed Fixed Needs evaluation Needs evaluation
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-8643

Medium priority
Needs evaluation

pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.

1 affected package

python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-44432

Medium priority

Some fixes available 1 of 9

urllib3 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...

2 affected packages

python-pip, python-urllib3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
python-urllib3 Fixed Not affected Not affected Not affected Not affected
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CVE-2026-44431

Medium priority

Some fixes available 7 of 16

urllib3 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...

2 affected packages

python-urllib3, python-pip

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-urllib3 Fixed Fixed Fixed Fixed Fixed
python-pip Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages