Out-of-bounds Read Affecting davegamble/cjson package, versions [,1.7.18)
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-10249190
- published27 May 2025
- disclosed23 May 2025
- creditOliver Chang
Introduced: 23 May 2025
NewCVE-2023-53154 (opens in a new tab)How to fix?
Upgrade davegamble/cjson to version 1.7.18 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the parse_string function. An attacker can cause a denial of service by sending a malformed JSON input that lacks a trailing newline when cJSON_ParseWithLength is called.
PoC
{"1":1, #with no trailing newline