{"id":"CVE-2025-11230","summary":"Denial of service vulnerability in HAProxy mjson library","details":"Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.","aliases":["BIT-haproxy-2025-11230"],"modified":"2026-09-10T11:30:21.169605554Z","published":"2025-11-19T09:28:39.750Z","related":["ALSA-2025:21691","ALSA-2025:21693","SUSE-SU-2025:03587-1","SUSE-SU-2025:03589-1","SUSE-SU-2025:20872-1","SUSE-SU-2025:20900-1","SUSE-SU-2026:20092-1","SUSE-SU-2026:20094-1","SUSE-SU-2026:20109-1","openSUSE-SU-2025:15599-1","openSUSE-SU-2026:20032-1"],"database_specific":{"cwe_ids":["CWE-407"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11230.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.4.0"},{"fixed":"2.4.30"},{"introduced":"2.6.0"},{"fixed":"2.6.23"},{"introduced":"2.8.0"},{"fixed":"2.8.16"},{"introduced":"3.0.0"},{"fixed":"3.0.12"},{"introduced":"3.1.0"},{"fixed":"3.1.9"},{"introduced":"3.2.0"},{"fixed":"3.2.6"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"canonical"},"references":[{"type":"WEB","url":"https://git.haproxy.org/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11230.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11230"},{"type":"ARTICLE","url":"https://www.haproxy.com/blog/october-2025-cve-2025-11230-haproxy-mjson-library-denial-of-service-vulnerability"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/haproxy/haproxy","events":[{"introduced":"5590ada4731a1f75004675680b4bdca61fa4c507"},{"fixed":"d236b43da7149f5147474c03fd54fada0615ce91"},{"introduced":"f2b97918e80b2f4df1da751a44fe6e323c6e4b9e"},{"fixed":"7cdc9325a1203f60b2269b4cab946bddc77eff41"},{"introduced":"e134140d282c006417945d78e7964cc8fa14586a"},{"fixed":"4ef6be4a1fe097db2cb45b8b4eca23dd7c854bce"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"fixed":"3.0.12"},{"introduced":"3.1.0"},{"fixed":"3.1.9"},{"introduced":"3.2.0"},{"fixed":"3.2.6"}]}}],"versions":["v3.2-dev5","v3.2-dev4","v3.2-dev3","v3.2-dev2","v3.2-dev1","v3.2-dev0","v3.1.0","v3.1-dev8","v3.1-dev7","v3.1-dev6","v3.1-dev5","v3.1-dev4","v3.1-dev3","v3.1-dev2","v3.1-dev1","v3.1-dev0","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11230.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}