---
cve: "CVE-2026-5419"
severity: "LOW"
cvss: 3.7
epss: "38%"
vendor: "Red Hat"
kev: false
exploited: false
published: "2026-06-01 21:16:47"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T14:08:19+02:00"
---

# CVE-2026-5419

> 3.7 LOW

## Beschreibung

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-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://access.redhat.com/errata/RHSA-2026:13274>
- <https://access.redhat.com/errata/RHSA-2026:20612>
- <https://access.redhat.com/errata/RHSA-2026:20613>
- <https://access.redhat.com/errata/RHSA-2026:26319>
- <https://access.redhat.com/errata/RHSA-2026:26409>
- <https://access.redhat.com/errata/RHSA-2026:29197>
- <https://access.redhat.com/errata/RHSA-2026:30004>
- <https://access.redhat.com/errata/RHSA-2026:32962>
- <https://access.redhat.com/security/cve/CVE-2026-5419>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2467686>
- <https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13>
- <https://access.redhat.com/errata/RHSA-2026:58981>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-5419) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_