CVE-2025-40930

Summary

JSON::SIMD before version 1.07 and earlier for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact.

Affected Software

Weaknesses

• CWE-122: CWE-122 Heap-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2025/09/08/3

References

• https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.06/source/SIMD.xs#L248
• https://metacpan.org/release/PJUHASZ/JSON-SIMD-1.07/changes
• https://github.com/pjuhasz/JSON-SIMD/commit/9a87de7331c9fa5198cae404a83b17649cf7b918.patch

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