vulnerability

Ubuntu: (Multiple Advisories) (CVE-2019-9740): Python vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Mar 12, 2019
Added
Sep 10, 2019
Modified
Aug 18, 2025

Description

An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the query string after a ? character) followed by an HTTP header or a Redis command. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Solutions

ubuntu-pro-upgrade-python2-7ubuntu-pro-upgrade-python2-7-minimalubuntu-pro-upgrade-python3-10ubuntu-pro-upgrade-python3-10-minimalubuntu-pro-upgrade-python3-11ubuntu-pro-upgrade-python3-11-minimalubuntu-pro-upgrade-python3-12ubuntu-pro-upgrade-python3-12-minimalubuntu-pro-upgrade-python3-4ubuntu-pro-upgrade-python3-4-minimalubuntu-pro-upgrade-python3-5ubuntu-pro-upgrade-python3-5-minimalubuntu-pro-upgrade-python3-6ubuntu-pro-upgrade-python3-6-minimalubuntu-pro-upgrade-python3-7ubuntu-pro-upgrade-python3-7-minimalubuntu-pro-upgrade-python3-8ubuntu-pro-upgrade-python3-8-minimalubuntu-pro-upgrade-python3-9ubuntu-pro-upgrade-python3-9-minimal
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