Buffer overflow in Dell Data Domain Operating System
CVE-2025-46643
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.4.0.0, LTS2025 release version 8.3.1.10, LTS2024 release versions 7.13.1.0 through 7.13.1.40, LTS 2023 release versions 7.10.1.0 through 7.10.1.70, contain a Heap-based Buffer Overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Denial of service.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (4.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Dell Data_domain_operating_system — versions 8.4.0.0
- Dell Powerprotect Data Domain With Operating System (Dd Os) Feature Release — versions 7.7.1.0
- Dell Powerprotect Data Domain With Operating System (Dd Os) Lts2023 — versions 7.10.1.0
- Dell Powerprotect Data Domain With Operating System (Dd Os) Lts2024 — versions 7.13.1.0
- Dell Powerprotect Data Domain With Operating System (Dd Os) Lts2025 — versions 8.3.1.0
Weakness classification (CWE)
References
- security_alert@emc.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-46643?
- CVE-2025-46643 is a low-severity vulnerability in Dell Data Domain Operating System, classified under Heap-based Buffer Overflow. CVSS score: 2.3/10. Published 2026-01-09.
- How severe is CVE-2025-46643?
- Low severity. CVSS v3 base score is 2.3 out of 10.