{"id":"CLSA-2026-1774007526","summary":"Fix CVE(s): CVE-2026-3731","details":"   * SECURITY UPDATE: out-of-bounds read in sftp extension name handler\n     - debian/patches/CVE-2026-3731.patch: fix off-by-one bounds check\n       in sftp_extensions_get_name and sftp_extensions_get_data\n     - CVE-2026-3731","modified":"2026-06-04T09:47:35.523039419Z","published":"2026-03-20T11:52:11Z","upstream":["CVE-2026-3731"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1774007526.html"}],"affected":[{"package":{"name":"libssh-4","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-4?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1774007526.json"}},{"package":{"name":"libssh-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1774007526.json"}},{"package":{"name":"libssh-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1774007526.json"}},{"package":{"name":"libssh-gcrypt-4","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-4?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1774007526.json"}},{"package":{"name":"libssh-gcrypt-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1774007526.json"}}],"schema_version":"1.7.5"}