Undefined Behavior for Input to API Affecting gnutls 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-GNUTLS-16755160
- published19 May 2026
- disclosed18 May 2026
- creditJoshua Rogers
Introduced: 18 May 2026
NewCVE-2026-42009 (opens in a new tab)How to fix?
There is no fixed version for gnutls.
Overview
Affected versions of this package are vulnerable to Undefined Behavior for Input to API in the comparator function responsible for ordering Datagram Transport Layer Security (DTLS) packets by sequence numbers. An attacker can cause unstable packet ordering or undefined behavior by sending packets with duplicate sequence numbers, potentially leading to service disruption.