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ESB-2026.3838 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3838 Security update for python3 17 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: python3 Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2025-13462 CVE-2026-3644 CVE-2026-4519 CVE-2026-4224 CVE-2026-3479 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261385-1 Comment: CVSS (Max): 7.5 CVE-2026-4224 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.1% (29th) CVE-2026-3644 2026-04-16 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for python3 Announcement ID: SUSE-SU-2026:1385-1 Release Date: 2026-04-16T09:16:55Z Rating: important o bsc#1259611 o bsc#1259734 References: o bsc#1259735 o bsc#1259989 o bsc#1260026 o CVE-2025-13462 o CVE-2026-3479 Cross-References: o CVE-2026-3644 o CVE-2026-4224 o CVE-2026-4519 o CVE-2025-13462 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:H/AT:P/PR:L /UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N o CVE-2025-13462 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:N/I:L/A:N o CVE-2025-13462 ( NVD ): 2.0 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/ UI:N/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 o CVE-2026-3479 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/ UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N o CVE-2026-3479 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:L/A:N o CVE-2026-3479 ( NVD ): 0.0 CVSS:4.0/AV:P/AC:L/AT:N/PR:N/ UI:N/VC:N/VI:N/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 o CVE-2026-3644 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/ UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N o CVE-2026-3644 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:L/A:N o CVE-2026-3644 ( NVD ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/ CVSS scores: UI:N/VC:L/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 o CVE-2026-4224 ( 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 o CVE-2026-4224 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-4224 ( NVD ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/ 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 o CVE-2026-4519 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/ UI:P/VC:N/VI:H/VA:N/SC:L/SI:H/SA:N o CVE-2026-4519 ( SUSE ): 6.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/ S:C/C:L/I:H/A:N o CVE-2026-4519 ( NVD ): 7.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/ 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 o CVE-2026-4519 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/ S:U/C:N/I:L/A:N o SUSE Linux Enterprise High Performance Computing 12 SP5 o SUSE Linux Enterprise Server 12 SP5 Affected o SUSE Linux Enterprise Server 12 SP5 LTSS Products: o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security o SUSE Linux Enterprise Server for SAP Applications 12 SP5 An update that solves five vulnerabilities can now be installed. Description: This update for python3 fixes the following issues: o CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined (bsc#1259611). o CVE-2026-3479: improper resource argument validation can allow path traversal (bsc#1259989). o CVE-2026-3644: incomplete control character validation in http.cookies (bsc #1259734). o CVE-2026-4224: C stack overflow when parsing XML with deeply nested DTD content models (bsc#1259735). o CVE-2026-4519: leading dashes in URLs are accepted by the webbrowser.open() API and allow for web browser command line option injection (bsc#1260026). 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: o SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1385=1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1385= 1 Package List: o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) python3-tk-debuginfo-3.4.10-25.180.1 libpython3_4m1_0-debuginfo-3.4.10-25.180.1 python3-debugsource-3.4.10-25.180.1 python3-base-debuginfo-3.4.10-25.180.1 python3-tk-3.4.10-25.180.1 python3-devel-3.4.10-25.180.1 python3-debuginfo-3.4.10-25.180.1 python3-base-debugsource-3.4.10-25.180.1 python3-3.4.10-25.180.1 libpython3_4m1_0-3.4.10-25.180.1 python3-curses-debuginfo-3.4.10-25.180.1 python3-curses-3.4.10-25.180.1 python3-base-3.4.10-25.180.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (ppc64le s390x x86_64) python3-devel-debuginfo-3.4.10-25.180.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64) python3-base-debuginfo-32bit-3.4.10-25.180.1 libpython3_4m1_0-debuginfo-32bit-3.4.10-25.180.1 libpython3_4m1_0-32bit-3.4.10-25.180.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) python3-tk-debuginfo-3.4.10-25.180.1 libpython3_4m1_0-debuginfo-3.4.10-25.180.1 python3-debugsource-3.4.10-25.180.1 python3-base-debuginfo-3.4.10-25.180.1 libpython3_4m1_0-debuginfo-32bit-3.4.10-25.180.1 python3-base-debuginfo-32bit-3.4.10-25.180.1 python3-devel-3.4.10-25.180.1 python3-tk-3.4.10-25.180.1 python3-debuginfo-3.4.10-25.180.1 python3-base-debugsource-3.4.10-25.180.1 python3-3.4.10-25.180.1 libpython3_4m1_0-3.4.10-25.180.1 python3-curses-debuginfo-3.4.10-25.180.1 python3-curses-3.4.10-25.180.1 libpython3_4m1_0-32bit-3.4.10-25.180.1 python3-devel-debuginfo-3.4.10-25.180.1 python3-base-3.4.10-25.180.1 References: o https://www.suse.com/security/cve/CVE-2025-13462.html o https://www.suse.com/security/cve/CVE-2026-3479.html o https://www.suse.com/security/cve/CVE-2026-3644.html o https://www.suse.com/security/cve/CVE-2026-4224.html o https://www.suse.com/security/cve/CVE-2026-4519.html o https://bugzilla.suse.com/show_bug.cgi?id=1259611 o https://bugzilla.suse.com/show_bug.cgi?id=1259734 o https://bugzilla.suse.com/show_bug.cgi?id=1259735 o https://bugzilla.suse.com/show_bug.cgi?id=1259989 o https://bugzilla.suse.com/show_bug.cgi?id=1260026 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
SUSEpython3

Timeline

References

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