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CVE-2024-5642

Published: 27 June 2024

CPython 3.9 and earlier doesn't disallow configuring an empty list ("[]") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a buffer over-read when NPN is used (see CVE-2024-5535 for OpenSSL). This vulnerability is of low severity due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically a protocol name would be configured).

Notes

AuthorNote
Priority reason:
Requires unlikely API usage to be vulnerable.

Priority

Low

Status

Package Release Status
python2.7
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

mantic Does not exist

noble Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

python3.10
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Needs triage

mantic Does not exist

noble Does not exist

upstream Needs triage

python3.11
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Needs triage

mantic Ignored
(end of life, was needs-triage)
noble Does not exist

upstream Needs triage

python3.12
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Does not exist

mantic Ignored
(end of life, was needs-triage)
noble Needs triage

upstream Needs triage

python3.4
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

trusty Needs triage

upstream Needs triage

python3.5
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

python3.6
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

python3.7
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

python3.8
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

python3.9
Launchpad, Ubuntu, Debian
focal Needs triage

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage