Improper Validation of Array Index Affecting davegamble/cjson package, versions [1.5.0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-DAVEGAMBLECJSON-12485341
- published5 Sept 2025
- disclosed3 Sept 2025
- creditSalah Chafai
Introduced: 3 Sep 2025
NewCVE-2025-57052 (opens in a new tab)How to fix?
There is no fixed version for davegamble/cjson.
Overview
Affected versions of this package are vulnerable to Improper Validation of Array Index via the decode_array_index_from_pointer function when processing crafted JSON pointer strings. An attacker can cause a denial of service and unexpected behavior by supplying inputs with non-digit characters that trigger out-of-bounds access.