{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.2.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cd4a148f37dc386986d6a6d899778849e686beea"
            }
          ],
          "repo": "https://github.com/istio/istio",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Istio before 1.2.2 mishandles certain access tokens, leading to \"Epoch 0 terminated with an error\" in Envoy. This is related to a jwt_authenticator.cc segmentation fault.",
  "id": "CVE-2019-12995",
  "modified": "2026-04-01T23:08:56.114651465Z",
  "published": "2019-06-28T10:15:11.487Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/istio/istio.io/pull/4555"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/istio/istio/issues/15084"
    },
    {
      "type": "ADVISORY",
      "url": "https://istio.io/about/notes/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}