{"id":"CVE-2025-2833","summary":"zhangyd-c OneBlog HTTP Header redos","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.","modified":"2026-07-15T01:49:13.770563595Z","published":"2025-03-27T04:00:05.554Z","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"}]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zhangyd-c/oneblog","events":[{"introduced":"b711a2d68bf13b780c987ab6a36138d3883b0d33"},{"last_affected":"9c212d6770a74ca420b6153ede4ea0f53e7fac9a"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.3.4"},{"last_affected":"2.3.4"},{"introduced":"2.3.6"},{"last_affected":"2.3.6"}]}}],"versions":["2.3.4","2.3.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-2833.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","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"}]}