CVE-2025-46643: Buffer Overflow

Published Jan 9, 2026
·
Updated

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.

Affected Software

5 affected components
Dell PowerProtect Data Domain>=7.7.1.0<=8.4.0.0, >=7.13.1.0<=7.13.1.40, >=7.10.1.0<=7.10.1.70
Dell Data Domain Operating System>=7.7.1.0<7.10.1.80
Dell Data Domain Operating System>=7.13.1.0<7.13.1.50
Dell Data Domain Operating System>=8.3.1.0<8.3.1.20
Dell Data Domain Operating System=8.4.0.0

Event History

Jan 9, 2026
CVE Published
via MITRE·04:07 PM
Data Sourced
via MITRE·04:07 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-46643?

CVE-2025-46643 is classified as a high severity vulnerability due to the potential for heap-based buffer overflow.

2

What software versions are affected by CVE-2025-46643?

CVE-2025-46643 affects Dell PowerProtect Data Domain versions 7.7.1.0 through 8.4.0.0, 7.13.1.0 through 7.13.1.40, and 7.10.1.0 through 7.10.1.70.

3

How do I fix CVE-2025-46643?

To mitigate CVE-2025-46643, users should update to the latest version of Dell PowerProtect Data Domain provided by Dell.

4

What impact does CVE-2025-46643 have on system security?

CVE-2025-46643 can potentially allow an attacker to execute arbitrary code, leading to unauthorized access or denial of service.

5

Is there a patch available for CVE-2025-46643?

Yes, Dell has provided a security update to address CVE-2025-46643, which users should apply immediately.

Contact

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