{"id":"CLSA-2026-1779369819","summary":"Fix CVE(s): CVE-2026-40686, CVE-2026-40687","details":"   * SECURITY UPDATE: heap read out-of-bounds in UTF-8 expansion\n     - debian/patches/CVE-2026-40686.patch: harden ${from_utf8:} expansion\n       operator against malformed UTF-8 trailing bytes.\n     - CVE-2026-40686\n   * SECURITY UPDATE: SPA authenticator buffer hardening\n     - debian/patches/CVE-2026-40687.patch: zero spa_base64_to_bits output\n       buffer and replace static 1024-byte buffers in unicodeToString,\n       strToUnicode, toString with dynamic store_get allocations sized to\n       input.\n     - CVE-2026-40687","modified":"2026-06-04T09:47:29.420728646Z","published":"2026-05-21T13:23:43Z","upstream":["CVE-2026-40686","CVE-2026-40687"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1779369819.html"}],"affected":[{"package":{"name":"exim4","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}},{"package":{"name":"exim4-base","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-base?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}},{"package":{"name":"exim4-config","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-config?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}},{"package":{"name":"exim4-daemon-heavy","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-daemon-heavy?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}},{"package":{"name":"exim4-daemon-light","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-daemon-light?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}},{"package":{"name":"exim4-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}},{"package":{"name":"eximon4","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/eximon4?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779369819.json"}}],"schema_version":"1.7.5"}