{"id":"CLSA-2026-1779357791","summary":"Fix CVE(s): CVE-2026-5773","details":"   * SECURITY UPDATE: libcurl may reuse the wrong connection for SMB(S)\n     transfers, leading to access of an unintended SMB share with the\n     same credentials.\n     - debian/patches/CVE-2026-5773.patch: disable connection reuse for\n       SMB(S) in lib/url.c by returning early from ConnectionExists() when\n       the requested protocol is SMB or SMBS.\n     - CVE-2026-5773","modified":"2026-06-04T09:47:29.928744311Z","published":"2026-05-21T10:03:16Z","upstream":["CVE-2026-5773"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1779357791.html"}],"affected":[{"package":{"name":"curl","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/curl?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl3-gnutls","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl3-gnutls?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl3-nss","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl3-nss?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl4","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl4?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl4-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl4-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl4-gnutls-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl4-gnutls-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl4-nss-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl4-nss-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}},{"package":{"name":"libcurl4-openssl-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libcurl4-openssl-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779357791.json"}}],"schema_version":"1.7.5"}