{"id":"CLSA-2026-1784545904","summary":"Fix CVE(s): CVE-2026-55204","details":"   * SECURITY UPDATE: NULL pointer dereference in the HPACK decoder\n     leading to a worker crash (denial of service)\n     - debian/patches/CVE-2026-55204.patch: add missing NULL check after\n       hpack_dht_defrag() in hpack_dht_insert() when the HPACK dynamic\n       table memory pool is exhausted\n     - CVE-2026-55204","modified":"2026-10-26T09:30:09.193854036Z","published":"2026-07-20T11:12:06Z","upstream":["CVE-2026-55204"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1784545904.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55204"}],"affected":[{"package":{"name":"haproxy","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/haproxy?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.8-1ubuntu0.13.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784545904.json"}},{"package":{"name":"haproxy-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/haproxy-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.8-1ubuntu0.13.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784545904.json"}},{"package":{"name":"vim-haproxy","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/vim-haproxy?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.8-1ubuntu0.13.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784545904.json"}}],"schema_version":"1.9.0"}