SUSE-SU-2026:3601-1: important: Security update for python3
SLE-SECURITY-UPDATES
null at suse.de
Wed Aug 12 16:35:56 UTC 2026
# Security update for python3
Announcement ID: SUSE-SU-2026:3601-1
Release Date: 2026-08-12T12:05:32Z
Rating: important
References:
* bsc#1257599
* bsc#1262467
* bsc#1263083
* bsc#1263442
* bsc#1263443
* bsc#1266669
* bsc#1267581
* bsc#1267821
* bsc#1269066
* bsc#1269788
* bsc#1269959
* bsc#1271192
Cross-References:
* CVE-2026-0864
* CVE-2026-11972
* CVE-2026-15308
* CVE-2026-1703
* CVE-2026-3219
* CVE-2026-3276
* CVE-2026-4360
* CVE-2026-6019
* CVE-2026-6357
* CVE-2026-7774
* CVE-2026-8643
CVSS scores:
* CVE-2026-0864 ( SUSE ): 8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-0864 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-0864 ( NVD ): 4.1
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-11972 ( SUSE ): 8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-11972 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-11972 ( NVD ): 8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-15308 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-15308 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-15308 ( NVD ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-15308 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-1703 ( SUSE ): 2.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-1703 ( SUSE ): 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
* CVE-2026-1703 ( NVD ): 2.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-3219 ( SUSE ): 4.6
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-3219 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
* CVE-2026-3219 ( NVD ): 4.6
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-3276 ( SUSE ): 8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-3276 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-3276 ( NVD ): 6.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-4360 ( SUSE ): 2.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-4360 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
* CVE-2026-4360 ( NVD ): 2.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-4360 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-6019 ( SUSE ): 2.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-6019 ( SUSE ): 3.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-6019 ( NVD ): 2.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-6019 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-6357 ( SUSE ): 5.3
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-6357 ( SUSE ): 5.8 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
* CVE-2026-6357 ( NVD ): 5.3
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-7774 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-7774 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-7774 ( NVD ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-8643 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
* CVE-2026-8643 ( NVD ): 4.1
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-8643 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-8643 ( NVD ): 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves 11 vulnerabilities and has one security fix can now be
installed.
## Description:
This update for python3 fixes the following issues:
* CVE-2026-0864: improper handling of line-ending characters can lead to
configuration file injection when the `configparser` module is used
(bsc#1269066).
* CVE-2026-1703: files may be extracted outside the installation directory
when installing and extracting maliciously crafted `wheel` archives
(bsc#1257599).
* CVE-2026-3219: python-pip: `pip` doesn't reject concatenated ZIP
(bsc#1262467).
* CVE-2026-3276: quadratic complexity in `unicodedata.normalize()` can lead to
DoS when processing specially crafted Unicode input (bsc#1267581).
* CVE-2026-4360: in the `Tarfile.extract()` function, the filter parameter is
not passed properly when extracting hardlinks (bsc#1269959).
* CVE-2026-6357: `pip` `self-update` functionality can import newly installed
modules after `wheel` installation (bsc#1263442, bsc#1263443).
* CVE-2026-7774: `tarfile.data_filter` path traversal bypass allows writing
outside the extraction directory (bsc#1267821).
* CVE-2026-8643: path traversal via malicious entry point name in `pip`
`wheel` installation allows arbitrary file overwrite (bsc#1266669).
* CVE-2026-11972: infinite loop due to improper EOF handling in the `tarfile`
module streaming mode can lead to DoS (bsc#1269788).
* CVE-2026-15308: incremental `HTMLParser` allows CPU-exhaustion DoS via
repeated unterminated markup declarations (bsc#1271192).
* Fix for CVE-2026-6019 does not handle non-ASCII characters correctly.
Regression in `http.cookies` (bsc#1263083).
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3601=1
* SUSE Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-3601=1
## Package List:
* SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* libpython3_4m1_0-3.4.10-25.191.2
* python3-debugsource-3.4.10-25.191.2
* python3-debuginfo-3.4.10-25.191.2
* python3-base-debugsource-3.4.10-25.191.2
* python3-base-3.4.10-25.191.2
* python3-curses-3.4.10-25.191.2
* python3-tk-debuginfo-3.4.10-25.191.2
* python3-curses-debuginfo-3.4.10-25.191.2
* python3-3.4.10-25.191.2
* python3-devel-3.4.10-25.191.2
* python3-base-debuginfo-3.4.10-25.191.2
* python3-tk-3.4.10-25.191.2
* libpython3_4m1_0-debuginfo-3.4.10-25.191.2
* SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
* libpython3_4m1_0-32bit-3.4.10-25.191.2
* libpython3_4m1_0-debuginfo-32bit-3.4.10-25.191.2
* python3-base-debuginfo-32bit-3.4.10-25.191.2
* SUSE Linux Enterprise Server 12 SP5 LTSS (ppc64le s390x x86_64)
* python3-devel-debuginfo-3.4.10-25.191.2
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
* python3-tk-3.4.10-25.191.2
* libpython3_4m1_0-3.4.10-25.191.2
* python3-debugsource-3.4.10-25.191.2
* python3-debuginfo-3.4.10-25.191.2
* python3-base-debugsource-3.4.10-25.191.2
* libpython3_4m1_0-32bit-3.4.10-25.191.2
* python3-base-3.4.10-25.191.2
* libpython3_4m1_0-debuginfo-32bit-3.4.10-25.191.2
* python3-tk-debuginfo-3.4.10-25.191.2
* python3-curses-3.4.10-25.191.2
* libpython3_4m1_0-debuginfo-3.4.10-25.191.2
* python3-devel-debuginfo-3.4.10-25.191.2
* python3-devel-3.4.10-25.191.2
* python3-base-debuginfo-3.4.10-25.191.2
* python3-3.4.10-25.191.2
* python3-curses-debuginfo-3.4.10-25.191.2
* python3-base-debuginfo-32bit-3.4.10-25.191.2
## References:
* https://www.suse.com/security/cve/CVE-2026-0864.html
* https://www.suse.com/security/cve/CVE-2026-11972.html
* https://www.suse.com/security/cve/CVE-2026-15308.html
* https://www.suse.com/security/cve/CVE-2026-1703.html
* https://www.suse.com/security/cve/CVE-2026-3219.html
* https://www.suse.com/security/cve/CVE-2026-3276.html
* https://www.suse.com/security/cve/CVE-2026-4360.html
* https://www.suse.com/security/cve/CVE-2026-6019.html
* https://www.suse.com/security/cve/CVE-2026-6357.html
* https://www.suse.com/security/cve/CVE-2026-7774.html
* https://www.suse.com/security/cve/CVE-2026-8643.html
* https://bugzilla.suse.com/show_bug.cgi?id=1257599
* https://bugzilla.suse.com/show_bug.cgi?id=1262467
* https://bugzilla.suse.com/show_bug.cgi?id=1263083
* https://bugzilla.suse.com/show_bug.cgi?id=1263442
* https://bugzilla.suse.com/show_bug.cgi?id=1263443
* https://bugzilla.suse.com/show_bug.cgi?id=1266669
* https://bugzilla.suse.com/show_bug.cgi?id=1267581
* https://bugzilla.suse.com/show_bug.cgi?id=1267821
* https://bugzilla.suse.com/show_bug.cgi?id=1269066
* https://bugzilla.suse.com/show_bug.cgi?id=1269788
* https://bugzilla.suse.com/show_bug.cgi?id=1269959
* https://bugzilla.suse.com/show_bug.cgi?id=1271192
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