{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "3.5.0"
              },
              {
                "last_affected": "3.7.2"
              },
              {
                "introduced": "4.0.0"
              },
              {
                "last_affected": "4.0.1"
              },
              {
                "introduced": "5.0.0"
              },
              {
                "last_affected": "5.5.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "33971b8ff54bc55785a7b38c07a21e03bda25080"
            },
            {
              "last_affected": "561824f3077b7615c2fa764bd6d8e7a47e184857"
            },
            {
              "introduced": "81bae7d0360fdf277b2d3e355d02e410ee211ef8"
            },
            {
              "last_affected": "43349033e28d0b6aa38773ff840deba079654a4f"
            },
            {
              "introduced": "8dfabca757830d0821e86206c2db83044e6696f0"
            },
            {
              "last_affected": "7e80d6dbe863b6f848a02bbb2dbc953450e035b6"
            }
          ],
          "repo": "https://github.com/nginx/kubernetes-ingress",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.0.0"
              },
              {
                "last_affected": "1.30.2"
              },
              {
                "introduced": "1.31.0"
              },
              {
                "last_affected": "1.31.1"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "a2a09a84eb0a7059880500e70b40796ab1dd0c4d"
            },
            {
              "last_affected": "a92a537860c7b87d3793d9eb41c9cf3ed833b53c"
            },
            {
              "introduced": "e8053c867f9ab14f323e3019ccab585d857abb66"
            },
            {
              "last_affected": "d44205284fa41662da803b796d6056fc1e59b1f3"
            }
          ],
          "repo": "https://github.com/nginx/nginx",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.3.0"
              },
              {
                "last_affected": "1.6.2"
              },
              {
                "introduced": "2.0.0"
              },
              {
                "last_affected": "2.6.3"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "3a372747333fb1db372af7cf0b18ed7eef7c91f7"
            },
            {
              "last_affected": "532db6a20b2912fe397211eef9f8d564d46a4bdd"
            },
            {
              "introduced": "7dad8b31e3f0c3eadce36fed8c276e83e6583d24"
            },
            {
              "last_affected": "c21b851ce4736865b098f868ba1de16362654dc5"
            }
          ],
          "repo": "https://github.com/nginx/nginx-gateway-fabric",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:a:f5:dos:*:*:*:*:*:nginx:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "4.3.0"
          },
          {
            "last_affected": "4.7.0"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "f5:dos"
      },
      {
        "cpes": [
          "cpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "2.17.0"
          },
          {
            "last_affected": "2.22.0"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "f5:nginx_instance_manager"
      },
      {
        "cpes": [
          "cpe:2.3:a:f5:nginx_plus:*:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "37.0.0"
          },
          {
            "last_affected": "37.0.1"
          },
          {
            "introduced": "r33"
          },
          {
            "last_affected": "r36"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "f5:nginx_plus"
      },
      {
        "cpes": [
          "cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "4.10.0"
          },
          {
            "last_affected": "4.16.0"
          },
          {
            "introduced": "5.2.0"
          },
          {
            "last_affected": "5.8.0"
          },
          {
            "introduced": "5.9.0"
          },
          {
            "last_affected": "5.13.1"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "f5:waf"
      },
      {
        "cpes": [
          "cpe:2.3:a:f5:dos:4.9.0:*:*:*:*:nginx:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "4.9.0"
          },
          {
            "last_affected": "4.9.0"
          }
        ],
        "source": "CPE_STRING",
        "vendor_product": "f5:dos"
      }
    ]
  },
  "details": "NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_charset_module module. When content is served or proxied through a location block with both source_charset utf-8; and a charset directive (for example, charset koi8-r;) configured, remote, unauthenticated attackers can send requests (in conjunction with conditions beyond their control) to cause a heap buffer over-read in the NGINX worker process, leading to limited disclosure of memory or a restart. \n\n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
  "id": "CVE-2026-48142",
  "modified": "2026-07-08T05:38:15.231603051Z",
  "published": "2026-06-17T15:16:59.040Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://my.f5.com/manage/s/article/K000161585"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/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"
    }
  ]
}