{"id":"CVE-2025-6499","details":"A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.","modified":"2026-04-10T05:34:50.354522Z","published":"2025-06-23T03:15:26.717Z","references":[{"type":"ADVISORY","url":"https://vuldb.com/?id.313615"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.601011"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.313615"},{"type":"REPORT","url":"https://github.com/vstakhov/libucl/issues/319"},{"type":"EVIDENCE","url":"https://github.com/user-attachments/files/19825399/libucl_crash.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vstakhov/libucl","events":[{"introduced":"0"},{"last_affected":"f897d5a0fed3a4474a4c3137c7b92853845fed47"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.9.2"}]}}],"versions":["0.2.0","0.2.1","0.2.2","0.2.3","0.2.6","0.4.0","0.5.1","0.5.2","0.6.1","0.7.1","0.7.2","0.7.3","0.8.0","0.8.1","0.8.2","0.9.0","0.9.1","0.9.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6499.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}