Skip to content
Heist/ feed
Back to feed
UnratedFix available

grafana: Fix of CVE-2026-39821

Type: advisorySources: OSV

- CVE-2026-39821: reject all-ASCII xn-- labels in vendored golang.org/x/net/idna (backport of upstream commit f05f21b)

Products
grafana
Affected versions
Not specified
Fixed versions
9.0.9-4.el9_2.alma.1.tuxcare.els19
CVEs
CVE-2026-39821
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:41 UTC · Revision 1

Source evidence

grafana: Fix of CVE-2026-39821

core-osv · Original source

Published 15 Jul 2026, 00:21 UTC

- CVE-2026-39821: reject all-ASCII xn-- labels in vendored golang.org/x/net/idna (backport of upstream commit f05f21b)

osv:CLSA-2026-1784074875

grafana

Fixed versions: 9.0.9-4.el9_2.alma.1.tuxcare.els19

Complete source record
{
  "id": "c5be70338d386ac017243e6e7ae1ae42b799a3c83c3e6ef4889da6a048cf1026",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1784074875",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "grafana: Fix of CVE-2026-39821",
    "summary": "- CVE-2026-39821: reject all-ASCII xn-- labels in vendored golang.org/x/net/idna (backport of upstream commit f05f21b)",
    "evidence": "osv:CLSA-2026-1784074875",
    "products": [
      {
        "name": {
          "value": "grafana",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.0.9-4.el9_2.alma.1.tuxcare.els19",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1784074875",
      "aliases": [
        "CLSA-2026-1784074875"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.0.9-4.el9_2.alma.1.tuxcare.els19"
                }
              ]
            }
          ],
          "package": {
            "name": "grafana",
            "purl": "pkg:rpm/tuxcare/grafana?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1784074875.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:26.793584628Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-39821"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1784074875.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-39821",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447050,
  "published_at": "2026-07-15T00:21:27+00:00"
}