{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:7666",
  "related": [],
  "upstream": [
    "CVE-2026-27135"
  ],
  "published": "2026-04-13T10:07:18Z",
  "modified": "2026-04-17T10:09:03Z",
  "summary": "Red Hat Security Advisory: nghttp2 security update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "libnghttp2",
        "ecosystem": "Red Hat:enterprise_linux:10.1",
        "purl": "pkg:rpm/redhat/libnghttp2"
      },
      "ranges": [
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              "introduced": "0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
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        "purl": "pkg:rpm/redhat/libnghttp2-debuginfo"
      },
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "libnghttp2-devel",
        "ecosystem": "Red Hat:enterprise_linux:10.1",
        "purl": "pkg:rpm/redhat/libnghttp2-devel"
      },
      "ranges": [
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          "events": [
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              "introduced": "0"
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            {
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "nghttp2",
        "ecosystem": "Red Hat:enterprise_linux:10.1",
        "purl": "pkg:rpm/redhat/nghttp2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "nghttp2-debuginfo",
        "ecosystem": "Red Hat:enterprise_linux:10.1",
        "purl": "pkg:rpm/redhat/nghttp2-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "nghttp2-debugsource",
        "ecosystem": "Red Hat:enterprise_linux:10.1",
        "purl": "pkg:rpm/redhat/nghttp2-debugsource"
      },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:7666"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/#important"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448754"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7666.json"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-27135"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-27135"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27135"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/nghttp2/nghttp2/commit/5c7df8fa815ac1004d9ecb9d1f7595c4d37f46e1"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-6933-cjhr-5qg6"
    }
  ]
}