CVE-2026-5419NVD

Vulnerability Summary

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.

Severity Level

LOW(3.7)

Published Date

Jun 1, 2026

Last Modified

Oct 14, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.63%Probability

Root Weakness (CWE)

CWE-208: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 3.7 (LOW)

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityLow

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Not provided by NVD for this CVE.

Patched Versions

Not provided by NVD for this CVE.

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