{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:29950",
  "related": [],
  "upstream": [
    "CVE-2026-55199",
    "CVE-2026-55200"
  ],
  "published": "2026-06-26T11:46:36Z",
  "modified": "2026-06-28T11:58:32Z",
  "summary": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "libssh2",
        "ecosystem": "Red Hat:hummingbird:1",
        "purl": "pkg:rpm/redhat/libssh2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:1.11.1-8.hum1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "libssh2-docs",
        "ecosystem": "Red Hat:hummingbird:1",
        "purl": "pkg:rpm/redhat/libssh2-docs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:1.11.1-8.hum1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:29950"
    },
    {
      "type": "ARTICLE",
      "url": "https://images.redhat.com/"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-55200"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-55199"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_29950.json"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2490128"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-55199"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55199"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/libssh2/libssh2/commit/17626857d20b3c9a1addfa45979dadcee1cd84a4"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/libssh2/libssh2/pull/1864"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.vulncheck.com/advisories/libssh2-pre-authentication-dos-via-ssh-msg-ext-info-handler"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2490127"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-55200"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55200"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/libssh2/libssh2/commit/97acf3dfda80c91c3a8c9f2372546301d4a1a7a8"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/libssh2/libssh2/pull/2052"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.vulncheck.com/advisories/libssh2-out-of-bounds-write-via-unchecked-packet-length-in-transport-c"
    }
  ]
}