---
cve: "CVE-2026-41989"
severity: "MEDIUM"
cvss: 6.7
epss: "18%"
vendor: "GnuPG"
kev: false
exploited: false
published: "2026-04-23 05:16:05"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-16T18:25:21+02:00"
---

# CVE-2026-41989

> 6.7 MEDIUM

## Beschreibung

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- d365a41094571f2cce18f27b53ffdceb540f77bb (Commit)
- 089ff0edf61ba829714a568778087eeac5b0df82 (Commit)

## Referenzen

- <https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html>
- <https://dev.gnupg.org/T8211>
- <https://www.openwall.com/lists/oss-security/2026/04/21/1>
- <https://cert-portal.siemens.com/productcert/html/ssa-019113.html>
- <https://cert-portal.siemens.com/productcert/html/ssa-082556.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-41989) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_