{"id":"CVE-2026-116733","published":"2026-10-26T22:16:57.360","lastModified":"2026-10-26T22:16:57.483","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.","cvssScore":3.7,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/dvidelabs/flatcc","tags":[]},{"url":"https://github.com/dvidelabs/flatcc/blob/v0.6.4/src/runtime/json_parser.c#L539-L543","tags":[]},{"url":"https://github.com/dvidelabs/flatcc/commit/356792dc155a9e685acdfe0ec1e209bdadcb4ab9","tags":[]},{"url":"https://hackmd.io/@haindpwn/flatcc-json-number-oob-read","tags":[]},{"url":"https://www.vulncheck.com/advisories/flatcc-through-0.6.4-out-of-bounds-read-via-flatcc-json-parser-number","tags":[]}],"exploitRefs":[{"url":"https://github.com/dvidelabs/flatcc","tags":[]},{"url":"https://github.com/dvidelabs/flatcc/blob/v0.6.4/src/runtime/json_parser.c#L539-L543","tags":[]},{"url":"https://github.com/dvidelabs/flatcc/commit/356792dc155a9e685acdfe0ec1e209bdadcb4ab9","tags":[]}],"hasPoc":true,"ai":null}