{"id":"CVE-2025-6498","summary":"HTACG tidy-html5 alloc.c defaultAlloc memory leak","details":"A vulnerability classified as problematic has been found in HTACG tidy-html5 5.8.0. Affected is the function defaultAlloc of the file src/alloc.c. The manipulation leads to memory leak. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.","modified":"2026-08-12T03:51:28.765807689Z","published":"2025-06-23T01:31:05.868Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-401","CWE-404"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6498.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6498.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6498"},{"type":"ADVISORY","url":"https://vuldb.com/?id.313614"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.601009"},{"type":"REPORT","url":"https://github.com/htacg/tidy-html5/issues/1152"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.313614"},{"type":"EVIDENCE","url":"https://github.com/user-attachments/files/20438303/tidy-html5_crash_3.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/htacg/tidy-html5","events":[{"introduced":"1ca37471b48a3498f985509828cb3cf85ea129f8"},{"last_affected":"1ca37471b48a3498f985509828cb3cf85ea129f8"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_STRING"],"cpe":"cpe:2.3:a:htacg:tidy:5.8.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.8.0"},{"last_affected":"5.8.0"}]}}],"versions":["5.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6498.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"}]}