🛡️ CVE-2026-8295
⚪ Unknown ✅ No Known Exploit CWE-190 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 "size_t" width (e.g., 32-bit builds). The overflow can cause insufficient buffer allocation, leading to out-of-bounds memory reads in SIMD routines and potentially resulting in information disclosure, memory corruption, or malformed JSON output. This vulnerability has been fixed in 4.6.4 release

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-190
Public Exploit ✅ No
Source NVD
Published 2026-05-14
Updated 2026-06-02
Modified 2026-05-19
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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