{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-108082",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-108082",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-15T14:46:01.594Z",
    "updatedAt": "2026-10-15T18:04:45.913Z",
    "importedAt": "2026-10-24T01:57:50.502Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Symfony: ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header",
      "summary": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to versions 5.4.54, 6.4.46, 7.4.19, and 8.1.7, HeaderUtils::split() parsed header values with a pattern whose token alternative also matched whitespace, followed by a (?<!\\s) lookbehind. A run of whitespace placed before a separator could be divided among the iterations of the enclosing repetition in exponentially many ways, and the engine tried all of them before settling. HeaderBag calls it for the Cache-Control header whenever a Request is built, so any application handling HTTP requests is reachable, with no authentication.\n\n\n\nA single request carrying such a header costs close to a second of CPU (813 ms for a run of 17 spaces in an 8 KB header on PHP 8.5, doubling with each extra space). From 18 spaces on, preg_match_all() gives up at pcre.backtrack_limit and split() returns an empty array, so every directive of the header is silently dropped.\n\n\n\nThis issue affects symfony/http-foundation v4.1.0-BETA1 through v5.4.53, v6.0.0-BETA1 through v6.4.45, v7.0.0-BETA1 through v7.4.18, and v8.0.0-BETA1 through v8.1.6.",
      "affected": [
        {
          "vendor": "sensiolabs",
          "product": "symfony",
          "packageName": "symfony/http-foundation",
          "collectionURL": "https://packagist.org/packages/symfony/http-foundation",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "v4.1.0-BETA1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "v5.4.54"
            },
            {
              "version": "v6.0.0-BETA1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "v6.4.46"
            },
            {
              "version": "v7.0.0-BETA1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "v7.4.19"
            },
            {
              "version": "v8.0.0-BETA1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "v8.1.7"
            }
          ]
        }
      ]
    }
  }
}