{"id":"RHSA-2026:46927","summary":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","modified":"2026-07-28T10:48:56.121525498Z","published":"2026-07-28T10:13:55Z","upstream":["CVE-2026-58051","CVE-2026-66032","CVE-2026-66033","CVE-2026-66034"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:46927"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58051"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-66032"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/"},{"type":"ARTICLE","url":"https://images.redhat.com/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-66034"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-66033"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_46927.json"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2493950"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-58051"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58051"},{"type":"ARTICLE","url":"https://github.com/bikini/exploitarium/tree/main/libssh2-publickey-list-calc-poc"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/blob/master/src/publickey.c"},{"type":"ARTICLE","url":"https://www.vulncheck.com/advisories/libssh2-free-of-uninitialized-pointer-in-publickey-list-cleanup"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506857"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-66032"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66032"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/commit/5e4776146552d898b9c0e1b313cd093fa8dc92d0"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/pull/2180"},{"type":"ARTICLE","url":"https://www.vulncheck.com/advisories/libssh2-double-free-heap-corruption-via-sftp-open"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506853"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-66033"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66033"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/commit/a2ed82d40964bbc0d64cd717aa0a5a892117d2e6"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/pull/2401"},{"type":"ARTICLE","url":"https://www.vulncheck.com/advisories/libssh2-integer-underflow-dos-via-aes-gcm-cipher-negotiation"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506860"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-66034"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66034"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/commit/a13bb6c773f0d55ad1628cede57e99803cd898d9"},{"type":"ARTICLE","url":"https://github.com/libssh2/libssh2/pull/2202"},{"type":"ARTICLE","url":"https://www.vulncheck.com/advisories/libssh2-heap-out-of-bounds-read-via-publickey-subsystem"}],"affected":[{"package":{"name":"libssh2","ecosystem":"Red Hat:hummingbird:1","purl":"pkg:rpm/redhat/libssh2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.11.1-10.2.hum1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:46927.json"}},{"package":{"name":"libssh2-docs","ecosystem":"Red Hat:hummingbird:1","purl":"pkg:rpm/redhat/libssh2-docs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.11.1-10.2.hum1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:46927.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}