Improper Validation of Specified Quantity in Input Affecting libidn package, versions [0,]
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-CONAN-LIBIDN-17660775
- published28 Jun 2026
- disclosed23 Jun 2026
- creditUnknown
Introduced: 23 Jun 2026
NewCVE-2026-57053 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input due to improper handling in the idna_to_unicode_internal process. An attacker can cause information disclosure or application crashes by triggering out-of-bounds reads of uninitialized memory through crafted input to the ToUnicode APIs.