{"id":"CLSA-2026-1778054005","summary":"Fix CVE(s): CVE-2026-23918","details":"   * SECURITY UPDATE: double free and possible remote code execution via\n     HTTP/2 stream double-purge in mod_http2\n     - debian/patches/CVE-2026-23918.patch: prevent double purge of a\n       stream by introducing add_for_purge() helper that checks for\n       duplicates before adding to the purge queue in\n       modules/http2/h2_mplx.c\n     - CVE-2026-23918","modified":"2026-06-04T09:47:36.670616809Z","published":"2026-05-06T12:06:20Z","upstream":["CVE-2026-23918"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1778054005.html"}],"affected":[{"package":{"name":"apache2","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-bin","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-bin?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-data","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-data?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-ssl-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-ssl-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-suexec-custom","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-suexec-custom?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-suexec-pristine","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-suexec-pristine?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"apache2-utils","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/apache2-utils?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"libapache2-mod-md","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libapache2-mod-md?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}},{"package":{"name":"libapache2-mod-proxy-uwsgi","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libapache2-mod-proxy-uwsgi?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"}}],"schema_version":"1.7.5"}