{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.3.4"
              },
              {
                "last_affected": "2.3.4"
              },
              {
                "introduced": "2.3.6"
              },
              {
                "last_affected": "2.3.6"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "b711a2d68bf13b780c987ab6a36138d3883b0d33"
            },
            {
              "last_affected": "9c212d6770a74ca420b6153ede4ea0f53e7fac9a"
            }
          ],
          "repo": "https://github.com/zhangyd-c/oneblog",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.3.4",
        "2.3.6"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-1333",
      "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2833.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "2.3.0"
          },
          {
            "last_affected": "2.3.0"
          },
          {
            "introduced": "2.3.1"
          },
          {
            "last_affected": "2.3.1"
          },
          {
            "introduced": "2.3.2"
          },
          {
            "last_affected": "2.3.2"
          },
          {
            "introduced": "2.3.3"
          },
          {
            "last_affected": "2.3.3"
          },
          {
            "introduced": "2.3.5"
          },
          {
            "last_affected": "2.3.5"
          },
          {
            "introduced": "2.3.7"
          },
          {
            "last_affected": "2.3.7"
          },
          {
            "introduced": "2.3.8"
          },
          {
            "last_affected": "2.3.8"
          },
          {
            "introduced": "2.3.9"
          },
          {
            "last_affected": "2.3.9"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.",
  "id": "CVE-2025-2833",
  "modified": "2026-07-15T01:49:13.770563595Z",
  "published": "2025-03-27T04:00:05.554Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2833.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2833"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.301470"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.521813"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/zhangyd-c/OneBlog/issues/35"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.301470"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "zhangyd-c OneBlog HTTP Header redos"
}