{"id":"SUSE-SU-2026:23191-1","summary":"Security update for python311","details":"This update for python311 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-0864: improper handling of line-ending characters can lead to configuration file injection when the\n  `configparser` module is used (bsc#1269066).\n- CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969).\n- CVE-2026-3276: quadratic complexity in `unicodedata.normalize()` can lead to DoS when processing specially crafted\n  Unicode input (bsc#1267581).\n- CVE-2026-4360: in the Tarfile.extract() function, the filter parameter is not passed properly when extracting\n  hardlinks (bsc#1269959).\n- CVE-2026-4786: Incomplete mitigation of %action expansion for command injection to webbrowser.open() (bsc#1262319).\n- CVE-2026-6019: BaseCookie.js_output() does not neutralize embedded characters (bsc#1262654).\n- CVE-2026-6100: Arbitrary code execution or information disclosure via use-after-free in decompression modules\n  (bsc#1262098).\n- CVE-2026-7210: `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding\n  protection (bsc#1264962).\n- CVE-2026-7774: `tarfile.data_filter` path traversal bypass allows writing outside the extraction directory\n  (bsc#1267821).\n- CVE-2026-8328: `ftpcp()` does not use actual peer address and trusts server-supplied PASV host address (bsc#1265268).\n- CVE-2026-11940: tarfile extraction filter bypass via a crafted archive allows escaping the destination directory and\n  enables arbitrary file reads and writes (bsc#1268977).\n- CVE-2026-11972: infinite loop due to improper EOF handling in the tarfile module streaming mode can lead to DoS\n  (bsc#1269788).\n- CVE-2026-15308: Incremental HTMLParser allows CPU-exhaustion DoS via repeated unterminated markup declarations\n  (bsc#1271192).\n\nNon security issues fixed:\n\n- Regression in `http.cookies` (bsc#1263083).\n- udplite was removed -\u003e python fails in tests (bsc#1268375).\n- Conflicts between different versions of Python (bsc#1258364).\n","modified":"2026-08-25T18:23:44.101158189Z","published":"2026-08-18T11:49:38Z","related":["CVE-2026-0864","CVE-2026-11940","CVE-2026-11972","CVE-2026-1502","CVE-2026-15308","CVE-2026-3276","CVE-2026-4360","CVE-2026-4786","CVE-2026-6019","CVE-2026-6100","CVE-2026-7210","CVE-2026-7774","CVE-2026-8328"],"upstream":["CVE-2026-0864","CVE-2026-11940","CVE-2026-11972","CVE-2026-1502","CVE-2026-15308","CVE-2026-3276","CVE-2026-4360","CVE-2026-4786","CVE-2026-6019","CVE-2026-6100","CVE-2026-7210","CVE-2026-7774","CVE-2026-8328"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623191-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258364"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261969"},{"type":"REPORT","url":"https://bugzilla.suse.com/1262098"},{"type":"REPORT","url":"https://bugzilla.suse.com/1262319"},{"type":"REPORT","url":"https://bugzilla.suse.com/1262654"},{"type":"REPORT","url":"https://bugzilla.suse.com/1263083"},{"type":"REPORT","url":"https://bugzilla.suse.com/1264962"},{"type":"REPORT","url":"https://bugzilla.suse.com/1265268"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267581"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267821"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268375"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268977"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269066"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269788"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269959"},{"type":"REPORT","url":"https://bugzilla.suse.com/1271192"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-0864"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-11940"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-11972"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-1502"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-15308"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-3276"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-4360"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-4786"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-6019"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-6100"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-7210"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-7774"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-8328"}],"affected":[{"package":{"name":"python311","ecosystem":"SUSE:Linux Micro 6.1","purl":"pkg:rpm/suse/python311&distro=SUSE%20Linux%20Micro%206.1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.15-slfo.1.1_5.1"}]}],"ecosystem_specific":{"binaries":[{"python311-base":"3.11.15-slfo.1.1_5.1","python311-curses":"3.11.15-slfo.1.1_5.1","libpython3_11-1_0":"3.11.15-slfo.1.1_5.1","python311":"3.11.15-slfo.1.1_5.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23191-1.json"}},{"package":{"name":"python311-core","ecosystem":"SUSE:Linux Micro 6.1","purl":"pkg:rpm/suse/python311-core&distro=SUSE%20Linux%20Micro%206.1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.15-slfo.1.1_5.1"}]}],"ecosystem_specific":{"binaries":[{"libpython3_11-1_0":"3.11.15-slfo.1.1_5.1","python311":"3.11.15-slfo.1.1_5.1","python311-base":"3.11.15-slfo.1.1_5.1","python311-curses":"3.11.15-slfo.1.1_5.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23191-1.json"}}],"schema_version":"1.9.0"}