CVE-2018-16868

MediumCVSS 5.6/10Last modified Jun 17, 2026

Description

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Metrics

CVSS 3.1 5.6/10CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Weakness enumeration

CWE-203

Affected software

No affected versions have been published.

Timeline

Published: Dec 3, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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