{"id":"CLSA-2026-1791564334","summary":"Fix CVE(s): CVE-2026-57941","details":"   * SECURITY UPDATE: use-after-free in mod_http2 via shared session-\u003ebbtmp\n     - debian/patches/CVE-2026-57941.patch: use a per-call brigade instead\n       of the shared session-\u003ebbtmp in on_send_data_cb() and\n       ev_stream_closed(), and skip streams already in cleanup state in\n       rst_unprocessed_stream() and on_stream_close_cb() in\n       modules/http2/h2_session.c.\n     - CVE-2026-57941","modified":"2026-10-26T09:32:04.420226189Z","published":"2026-10-09T16:45:46Z","upstream":["CVE-2026-57941"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1791564334.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57941"}],"affected":[{"package":{"name":"apache2","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-bin","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-bin?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-data","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-data?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-ssl-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-ssl-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-suexec-custom","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-suexec-custom?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-suexec-pristine","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-suexec-pristine?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}},{"package":{"name":"apache2-utils","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/apache2-utils?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791564334.json"}}],"schema_version":"1.9.0"}