SUSE Linux 15 SP7 Python311 Important Security Issues Advisory 2026-1349

## This update for python311 fixes the following issues: * Updated to Python 3.11.15 * CVE-2025-6075: If the value passed to os.path.expandvars() is user- controlled a performance degradation is possible when expanding environment variables (bsc#1252974). * CVE-2025-11468: header injection when folding a long in an email header containing exclusively unfoldable characters (bsc#1257029). * CVE-2025-12084: cpython: python: cpython: Quadratic algorithm in xml.dom.minidom leads to denial of service (bsc#1254997). * CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined (bsc#1259611). * CVE-2025-13836: When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length (bsc#1254400). Read the Full Advisory

## This update for python311 fixes the following issues: * Updated to Python 3.11.15 * CVE-2025-6075: If the value passed to os.path.expandvars() is user- controlled a performance degradation is possible when expanding environment variables (bsc#1252974). * CVE-2025-11468: header injection when folding a long in an email header containing exclusively unfoldable characters (bsc#1257029). * CVE-2025-12084: cpython: python: cpython: Quadratic algorithm in xml.dom.minidom leads to denial of service (bsc#1254997). * CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined (bsc#1259611). * CVE-2025-13836: When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length (bsc#1254400). Read the Full Advisory

* bsc#1252974 * bsc#1254400 * bsc#1254401 * bsc#1254997 * bsc#1257029 * bsc#1257031 * bsc#1257042 * bsc#1257046 * bsc#1257181 * bsc#1259240 * bsc#1259611 * bsc#1259734 * bsc#1259735 * bsc#1259989 * bsc#1260026 Cross- * CVE-2025-11468 * CVE-2025-12084 * CVE-2025-13462 * CVE-2025-13836 * CVE-2025-13837 * CVE-2025-15282 * CVE-2025-6075 * CVE-2026-0672 * CVE-2026-0865 * CVE-2026-1299 * CVE-2026-2297 * CVE-2026-3479 * CVE-2026-3644 * CVE-2026-4224 * CVE-2026-4519 CVSS scores: * CVE-2025-11468 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N * CVE-2025-11468 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N * CVE-2025-11468 ( NVD ): 5.7 Read the Full Advisory

* CVE-2025-11468 ( SUSE ): 7.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2025-11468 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

* CVE-2025-11468 ( NVD ): 5.7

Read the Full Advisory