{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                "range": [
                  {
                    "introduced": "8.4.0"
                  },
                  {
                    "fixed": "8.4.24"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                "range": [
                  {
                    "introduced": "8.5.0"
                  },
                  {
                    "fixed": "8.5.9"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          "events": [
            {
              "introduced": "b437f2b32eb364c9496d24abcc734272e5c9c980"
            },
            {
              "fixed": "fb193d3df72d1ca3b5ef58ec9e9b6ef5bdf18bef"
            },
            {
              "introduced": "685e99655ae97c667950f7f7d176985958718f56"
            },
            {
              "fixed": "dd6e76cce27aaa0ed9f7520648ed1081dfb6af36"
            }
          ],
          "repo": "https://github.com/php/php-src",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-x692-q9x7-8c3f"
  ],
  "database_specific": {
    "cna_assigner": "php",
    "cwe_ids": [
      "CWE-787"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17544.json"
  },
  "details": "Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.",
  "id": "CVE-2026-17544",
  "modified": "2026-11-11T02:30:44.605197735Z",
  "published": "2026-07-30T11:22:24.023Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17544.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/php/php-src/security/advisories/GHSA-x692-q9x7-8c3f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17544"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Out-of-bounds write in bccomp() via crafted operand and scale"
}