CVE-2026-5419
3.7
LOW
CVSS 3.1
EPSS 0.04%
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.
How to fix CVE-2026-5419
To remediate CVE-2026-5419, upgrade the affected package to a fixed version below.
- Alpine/gnutls—upgrade to 3.8.13-r0 or later
- —upgrade to 3.7.9-2+deb12u7 or later
Is CVE-2026-5419 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.8.13-r0
- from 0, < 3.7.9-2+deb12u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |