Integer Overflow or Wraparound Affecting nokogiri package, versions [,1.19.4)
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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Start learning- Snyk IDSNYK-UNMANAGED-NOKOGIRI-17391933
- published21 Jun 2026
- disclosed19 Jun 2026
- creditZheng Yu
Introduced: 19 Jun 2026
CVE-2026-57235 (opens in a new tab)How to fix?
Upgrade nokogiri to version 1.19.4 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the NodeSet#[] function. An attacker can cause a process crash or potentially access unintended memory by supplying a large negative integer as an index.
Note: This is only exploitable if an application passes attacker-controlled integers to the index parameter.
Workaround
This vulnerability can be mitigated by validating the index against node_set.length before use or avoiding the use of untrusted values as an index.