Heap-based Buffer Overflow Affecting pjuhasz/JSON-SIMD package, versions [,1.07)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-PJUHASZJSONSIMD-13003359
- published23 Sept 2025
- disclosed8 Sept 2025
- creditUnknown
Introduced: 8 Sep 2025
NewCVE-2025-40930 (opens in a new tab)How to fix?
Upgrade pjuhasz/JSON-SIMD to version 1.07 or higher.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the SIMD.xs process. An attacker can cause a segmentation fault and potentially disrupt service availability by submitting specially crafted JSON input.