Vulnerability from bitnami_vulndb
Published
2026-10-22 08:04
Modified
2026-10-30 09:15
Summary
RCE via OOM corruption
Details

PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The subsequent request cleanup procedure may read or branch on this memory. Multiple OOM strategies can consistently trigger this condition and lead to remote code execution (RCE).

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "8.2.35"
            },
            {
              "introduced": "8.3.0"
            },
            {
              "fixed": "8.3.36"
            },
            {
              "introduced": "8.4.0"
            },
            {
              "fixed": "8.4.27"
            },
            {
              "introduced": "8.5.0"
            },
            {
              "fixed": "8.5.12"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "type": "CVSS_V4"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-109618"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "Critical"
  },
  "details": "PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The subsequent request cleanup procedure may read or branch on this memory. Multiple OOM strategies can consistently trigger this condition and lead to remote code execution (RCE).",
  "id": "BIT-libphp-2026-109618",
  "modified": "2026-10-30T09:15:51.334Z",
  "published": "2026-10-22T08:04:26.105Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2026/10/21/6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/php/php-src/security/advisories/GHSA-w8hw-w9fx-j79w"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109618"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.wiz.io/blog/php2shell-php-rce"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2026/10/23/5"
    },
    {
      "type": "ADVISORY",
      "url": "https://arcticwolf.com/resources/blog/php2shell-critical-php-vulnerabilities-enable-unauthenticated-remote-code-execution/"
    },
    {
      "type": "ADVISORY",
      "url": "https://php2shell.delftintellab.com"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-109618"
    },
    {
      "type": "DISCUSSION",
      "url": "http://seclists.org/fulldisclosure/2026/Oct/51"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "RCE via OOM corruption"
}



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