CVE-2026-116733
Deferred Deferred - Pending Action

Out-of-Bounds Read in flatcc JSON Parser

Vulnerability report for CVE-2026-116733, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: VulnCheck

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-26
Last Modified
2026-10-26
Generated
2026-10-27
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
dvidelabs flatcc 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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