{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:46927",
  "related": [],
  "upstream": [
    "CVE-2026-58051",
    "CVE-2026-66032",
    "CVE-2026-66033",
    "CVE-2026-66034"
  ],
  "published": "2026-07-28T10:13:55Z",
  "modified": "2026-07-28T10:13:55Z",
  "summary": "Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "libssh2",
        "ecosystem": "Red Hat:hummingbird:1",
        "purl": "pkg:rpm/redhat/libssh2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:1.11.1-10.2.hum1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "libssh2-docs",
        "ecosystem": "Red Hat:hummingbird:1",
        "purl": "pkg:rpm/redhat/libssh2-docs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:1.11.1-10.2.hum1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "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"
    }
  ]
}