simdjson

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CVSS critical0CVSS 9.0–10.0

CVSS high0CVSS 7.0–8.9

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simdjson records in CISA KEV

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TI-2026-07309 CVE-2026-8295 · GHSA-fh2w-3fv3-7vw2

Integer overflow in simdjson

LOW 30

An integer overflow vulnerability in the simdjson document-builder API allows incorrect buffer size calculations in "string_builder::escape_and_append()" when processing very large input strings on platforms with limited…

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00279 Published 2026-05-14 Fixed in 4.6.4 CWE-190

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