Security advisory

{
  "id": "0a37eabc783afe8cac83d58c35d7b8be9787b445dc192574a26760059f04c95a",
  "url": "https://osv.dev/vulnerability/CVE-2018-19131",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-19131",
    "summary": "Squid before 4.4 has XSS via a crafted X.509 certificate during HTTP(S) error page generation for certificate errors.",
    "evidence": "osv:CVE-2018-19131",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-19131",
      "aliases": [
        "CVE-2018-19131"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/squid-cache/squid",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ef968e80a5c73b1f11119a93b1a414b8853a3875"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "SQUID_4_3",
            "SQUID_4_2",
            "SQUID_4_1",
            "SQUID_4_0_25",
            "SQUID_4_0_24",
            "SQUID_4_0_23",
            "SQUID_4_0_22",
            "SQUID_4_0_21",
            "SQUID_4_0_20",
            "SQUID_4_0_19",
            "SQUID_4_0_18",
            "SQUID_4_0_17",
            "SQUID_4_0_16",
            "SQUID_4_0_15",
            "SQUID_4_0_14",
            "SQUID_4_0_13",
            "SQUID_4_0_12",
            "SQUID_4_0_11",
            "SQUID_4_0_10",
            "SQUID_4_0_9",
            "SQUID_4_0_8",
            "SQUID_4_0_7",
            "SQUID_4_0_6",
            "SQUID_4_0_5",
            "SQUID_4_0_4",
            "SQUID_4_0_3",
            "SQUID_4_0_2",
            "SQUID_4_0_1",
            "take00",
            "SQUID_3_0_RC1",
            "SQUID_3_0_PRE7",
            "SQUID_3_0_PRE6",
            "SQUID_3_0_PRE5",
            "SQUID_3_0_PRE4",
            "SQUID_3_0_PRE3",
            "SQUID_3_0_PRE2",
            "SQUID_3_0_PRE1",
            "HISTORIC_RELEASES"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19131.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:23.140600865Z",
      "provider": "osv",
      "references": [
        "https://github.com/squid-cache/squid/pull/306"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-19131",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381650,
  "published_at": "2018-11-09T11:29:03.877+00:00"
}