Out-of-bounds Read Affecting json package, versions >=2.10.0, <2.10.2
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-RUBY-JSON-9402846
- published13 Mar 2025
- disclosed12 Mar 2025
- creditUnknown
Introduced: 12 Mar 2025
CVE-2025-27788 (opens in a new tab)How to fix?
Upgrade json to version 2.10.2 or higher.
Overview
json is a JSON implementation as a Ruby extension in C.
Affected versions of this package are vulnerable to Out-of-bounds Read in the json_string_unescape() function in parser.c. An attacker can cause a crash by supplying a JSON object containing malicious unicode escape sequences, like "\u1zzz".