Summary
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
* python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)
* python-lxml: mXSS due to the use of improper parser (CVE-2020-27783)
* python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
Fixed packages 19
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | python38-asn1crypto | 1.2.0-3.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-cffi | 1.13.2-3.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-chardet | 3.0.4-19.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-cryptography | 2.8-3.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-Cython | 0.29.14-4.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-idna | 2.8-6.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-markupsafe | 1.1.1-6.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-mod_wsgi | 4.6.8-3.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-ply | 3.11-10.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-psycopg2 | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-psycopg2-doc | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-psycopg2-tests | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-pycparser | 2.19-3.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-PyMySQL | 0.10.1-1.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-pysocks | 1.7.1-4.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-pytz | 2019.3-3.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-requests | 2.22.0-9.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-scipy | 1.3.1-4.module_el8.6.0+2778+cd494b30 |
| AlmaLinux · 8 | python38-six | 1.12.0-10.module_el8.6.0+2778+cd494b30 |
Vulnerabilities 3
-
Critical 9.8CVE-2021-3177 EPSS 24%
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code exec…
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Medium 6.1
lxml vulnerable to Cross-site Scripting
A XSS vulnerability was discovered in python-lxml's clean module. The module's parser didn't properly imitate browsers, which caused different behaviors between the sanitizer and the user's page. A remote attacker could exploit this flaw to run arbitrary HTML…
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Unscored —
http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF in…
References
-
report
https://bugzilla.redhat.com/1868006
-
report
https://bugzilla.redhat.com/1883014
-
report
https://bugzilla.redhat.com/1886755
-
report
https://bugzilla.redhat.com/1901633
-
report
https://bugzilla.redhat.com/1918168
-
report
https://bugzilla.redhat.com/1920596
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advisory
https://errata.almalinux.org/8/ALSA-2021-1879.html
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report
https://vulners.com/cve/CVE-2020-26116
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report
https://vulners.com/cve/CVE-2020-27783
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report
https://vulners.com/cve/CVE-2021-3177