{"id":"CLSA-2026-1789735614","summary":"python3.11: Fix of 5 CVEs","details":"- CVE-2026-87910: tarfile: skip a link member when the extraction filter\n  returns None for its hardlink-extraction fallback instead of ignoring the\n  filter result\n- CVE-2026-17084: stringprep: build the RFC 3454 B.2/B.3 tables from Unicode\n  3.2.0 data so IDNA 2003 encoding of newly case-folding characters no longer\n  depends on the interpreter's Unicode version\n- CVE-2026-15310: zipfile: bound the output of each bzip2/LZMA decompress()\n  call so a small crafted member cannot trigger an unbounded allocation\n- CVE-2026-9669: bz2: refuse to reuse a BZ2Decompressor after a decompression\n  error, so retrying with the same object can no longer resume from an invalid\n  internal state and write out of bounds\n- CVE-2026-11972: tarfile: stop the streaming-mode seek() loop at EOF so a\n  member header declaring a huge size no longer makes parsing take exponentially\n  longer","modified":"2026-10-26T09:43:37.758888416Z","published":"2026-09-18T12:47:09Z","upstream":["CVE-2026-11972","CVE-2026-15310","CVE-2026-17084","CVE-2026-87910","CVE-2026-9669"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1789735614.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11972"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15310"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17084"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87910"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9669"}],"affected":[{"package":{"name":"python3.11","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}},{"package":{"name":"python3.11-debug","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11-debug?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}},{"package":{"name":"python3.11-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}},{"package":{"name":"python3.11-idle","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11-idle?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}},{"package":{"name":"python3.11-libs","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11-libs?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}},{"package":{"name":"python3.11-test","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11-test?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}},{"package":{"name":"python3.11-tkinter","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3.11-tkinter?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.11-2.el9_6.2.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789735614.json"}}],"schema_version":"1.9.0"}