{"id":"CVE-2026-116733","aliases":[],"title":"flatcc through 0.6.4 Out-of-Bounds Read via __flatcc_json_parser_number","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"dvidelabs","name":"flatcc","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.6.4","versionType":"custom"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116733"}],"remediation":[],"description":"flatcc through 0.6.4 contains an out-of-bounds read vulnerability in __flatcc_json_parser_number that allows attackers to read past the input buffer via numbers ending in a decimal point. Attackers can supply untrusted JSON ending immediately after a decimal point to generated parsers, crashing applications when the buffer ends at an unmapped page.","severity":"medium","score":6.3,"published":"2026-10-26T21:52:34.304Z","modified":"2026-10-26T21:52:34.304Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/dvidelabs/flatcc/commit/356792dc155a9e685acdfe0ec1e209bdadcb4ab9","https://github.com/dvidelabs/flatcc","https://github.com/dvidelabs/flatcc/blob/v0.6.4/src/runtime/json_parser.c#L539-L543","https://hackmd.io/@haindpwn/flatcc-json-number-oob-read","https://www.vulncheck.com/advisories/flatcc-through-0.6.4-out-of-bounds-read-via-flatcc-json-parser-number"],"sources":[{"name":"CVE","id":"CVE-2026-116733","modified":"2026-10-26T21:52:34.304Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116733"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T21:40:30.742Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}