CVE-2026-116733

LowCVSS 3.7/10Last modified Nov 2, 2026

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.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
dvidelabs	flatcc	<= 0.6.4

References

Timeline

Published: Oct 26, 2026
Last modified: Nov 2, 2026
NVD status: Deferred

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