{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:41240",
  "related": [],
  "upstream": [
    "CVE-2026-58055"
  ],
  "published": "2026-07-23T10:13:28Z",
  "modified": "2026-07-23T10:13:28Z",
  "summary": "Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "curl",
        "ecosystem": "Red Hat:hummingbird:1",
        "purl": "pkg:rpm/redhat/curl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:8.21.0-0.1.1.hum1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:41240"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-58055"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/"
    },
    {
      "type": "ARTICLE",
      "url": "https://images.redhat.com/"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_41240.json"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493954"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-58055"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-58055"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/bikini/exploitarium/tree/main/nghttp2-nghttpx-upgrade-queue-poison-poc"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/nghttp2/nghttp2/commit/ab28105c4a0197da24f8bfc414bc116055249e1e"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.vulncheck.com/advisories/nghttp2-nghttpx-http-request-response-smuggling-via-upgrade-request-with-content-length"
    }
  ]
}