Vulnerabilities CVE-2026-5419

CVE-2026-5419

Low

Open

TLP:CLEAR

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

NVD CVE.org

Critical Infrastructure

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Description

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.

Details

CVSS Score: 3.7
EPSS Score ⓘ: 0.38%

30.8th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Confidence: 90%
Published: Jun 1, 2026
Last Modified: Jul 15, 2026

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