{"id":"RLSA-2026:67165","summary":"Important: openssl security, bug fix, and enhancement update","details":"OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.\n\nSecurity Fix(es):\n\n* openssl: OpenSSL: Denial of Service via unbounded memory growth in QUIC server (CVE-2026-14456)\n\n* openssl: QUIC server may trigger double free when processing INITIAL packet (CVE-2026-18798)\n\n* openssl: heap buffer overflow in CMS key unwrapping (CVE-2026-63072)\n\n* openssl: invalid pointer dereference in CMP server via crafted protectionAlg (CVE-2026-63076)\n\n* openssl: RPK server signature algorithm selection can dereference a missing certificate (CVE-2026-14457)\n\n* openssl: excessive memory use buffering DTLS records for a future epoch (CVE-2026-54874)\n\n* openssl: untrusted sender DN used as format string in CMP response validation (CVE-2026-63073)\n\n* openssl: CMP indefinite cache growth of ExtraCerts (CVE-2026-63074)\n\n* openssl: QUIC ACK-only packet retention can cause memory exhaustion (CVE-2026-63075)\n\nBug Fix(es) and Enhancement(s):\n\n* openssl: HollowByte remote memory-exhaustion DoS fix may be missing [Rocky Linux 9.8.z] (JIRA:Rocky Linux-232828)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-09-15T18:30:36.357804882Z","published":"2026-09-15T18:05:37.908911Z","upstream":["CVE-2026-14456","CVE-2026-14457","CVE-2026-18798","CVE-2026-54874","CVE-2026-63072","CVE-2026-63073","CVE-2026-63074","CVE-2026-63075","CVE-2026-63076"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:67165"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:67165"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2515348"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517559"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517560"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517561"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517562"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517564"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517565"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517566"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517570"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:67165"}],"affected":[{"package":{"name":"openssl","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/openssl?distro=rocky-linux-9&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.5.8-1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:67165.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}