CVE-2026-5419

CVE-2026-5419 · Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.

CVSS 3.7 · Low · EPSS 0.5% · Fix available

Published

2026-06-01T19:26:56.524Z

Updated

2026-10-14T19:45:47.744Z

Stack: system

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