Check Point Quantum SSL VPN ASN.1 Buffer Overflow: Remote Code Execution
CVE-2026-85103 Published on September 9, 2026

Heap-based Buffer Overflow in VPN Certificate ASN.1 Decoding
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute arbitrary code on Check Point Quantum Security Management and Quantum Security Gateway systems.

NVD

Vulnerability Analysis

CVE-2026-85103 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().


Products Associated with CVE-2026-85103

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Check Point Software Security Gateway
 

Affected Versions

checkpoint Quantum Security Gateway: checkpoint Quantum Security Management: