{
  "id": "cve-2023-4911",
  "cveID": "CVE-2023-4911",
  "vendor": "GNU",
  "product": "GNU C Library",
  "vulnerabilityName": "GNU C Library Buffer Overflow Vulnerability",
  "shortDescription": "GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2023-11-21",
  "dueDate": "2023-12-12",
  "knownRansomware": false,
  "cwes": [
    "CWE-122"
  ],
  "notes": "This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa, https://access.redhat.com/security/cve/cve-2023-4911, https://www.debian.org/security/2023/dsa-5514 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4911",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4911"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "sourceware.org",
      "url": "https://sourceware.org/git/?p=glibc.git"
    },
    {
      "label": "access.redhat.com",
      "url": "https://access.redhat.com/security/cve/cve-2023-4911"
    },
    {
      "label": "debian.org",
      "url": "https://www.debian.org/security/2023/dsa-5514"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4911"
    }
  ],
  "cvss": {
    "score": 7.8,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  },
  "epss": {
    "score": 0.81422,
    "percentile": 0.99615
  },
  "timeline": [
    {
      "date": "2023-11-21",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2023-12-12",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}