Security advisory

{
  "id": "a816da2d57112d184c315275e24ea1a32696a9093e1beab598dfcb6d075b47b4",
  "url": "https://osv.dev/vulnerability/CVE-2016-6293",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-6293",
    "summary": "The uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 for C/C++ does not ensure that there is a '\\0' character at the end of a certain temporary array, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long httpAcceptLanguage argument.",
    "evidence": "osv:CVE-2016-6293",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-6293",
      "aliases": [
        "CVE-2016-6293"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/unicode-org/icu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0c5873f89bf64f6bbc0a24b84f07d79b25785a42"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\\/c\\+\\+:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "57.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release-57-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6293.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:48.466181358Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/201701-58",
        "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
        "https://bugs.php.net/72533"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-6293",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436769,
  "published_at": "2016-07-25T14:59:06.497+00:00"
}