openSUSE Security Update: Security update for python3 ______________________________________________________________________________ Announcement ID: openSUSE-SU-2021:4104-1 Rating: moderate References: #1180125 #1183374 #1183858 #1185588 #1187668 #1189241 #1189287 Cross-References: CVE-2021-3426 CVE-2021-3733 CVE-2021-3737 CVSS scores: CVE-2021-3426 (NVD) : 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-3426 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-3733 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2021-3737 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________ An update that solves three vulnerabilities and has four fixes is now available. Description: This update for python3 fixes the following issues: - CVE-2021-3426: Fixed information disclosure via pydoc (bsc#1183374). - CVE-2021-3733: Fixed infinitely reading potential HTTP headers after a 100 Continue status response from the server (bsc#1189241). - CVE-2021-3737: Fixed ReDoS in urllib.request (bsc#1189287). - We do not require python-rpm-macros package (bsc#1180125). - Use versioned python-Sphinx to avoid dependency on other version of Python (bsc#1183858). - Stop providing "python" symbol, which means python2 currently (bsc#1185588). - Modify Lib/ensurepip/__init__.py to contain the same version numbers as are in reality the ones in the bundled wheels (bsc#1187668). Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2021-4104=1 Package List: - openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64): libpython3_6m1_0-3.6.15-10.9.1 libpython3_6m1_0-debuginfo-3.6.15-10.9.1 python3-3.6.15-10.9.1 python3-base-3.6.15-10.9.1 python3-base-debuginfo-3.6.15-10.9.1 python3-core-debugsource-3.6.15-10.9.1 python3-curses-3.6.15-10.9.1 python3-curses-debuginfo-3.6.15-10.9.1 python3-dbm-3.6.15-10.9.1 python3-dbm-debuginfo-3.6.15-10.9.1 python3-debuginfo-3.6.15-10.9.1 python3-debugsource-3.6.15-10.9.1 python3-devel-3.6.15-10.9.1 python3-devel-debuginfo-3.6.15-10.9.1 python3-doc-3.6.15-10.9.1 python3-doc-devhelp-3.6.15-10.9.1 python3-idle-3.6.15-10.9.1 python3-testsuite-3.6.15-10.9.1 python3-testsuite-debuginfo-3.6.15-10.9.1 python3-tk-3.6.15-10.9.1 python3-tk-debuginfo-3.6.15-10.9.1 python3-tools-3.6.15-10.9.1 - openSUSE Leap 15.3 (x86_64): libpython3_6m1_0-32bit-3.6.15-10.9.1 libpython3_6m1_0-32bit-debuginfo-3.6.15-10.9.1 References: https://www.suse.com/security/cve/CVE-2021-3426.html https://www.suse.com/security/cve/CVE-2021-3733.html https://www.suse.com/security/cve/CVE-2021-3737.html https://bugzilla.suse.com/1180125 https://bugzilla.suse.com/1183374 https://bugzilla.suse.com/1183858 https://bugzilla.suse.com/1185588 https://bugzilla.suse.com/1187668 https://bugzilla.suse.com/1189241 https://bugzilla.suse.com/1189287