CVE-2026-85103

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability91. percentile4.3%
ProductQuantum Security Gateway
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-122CWE-122

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
checkpoint Quantum Security GatewayR82.10 with Jumbo Hotfix Take 43 or below, R82 with Jumbo Hotfix Take 125 or below, R81.20 with Jumbo Hotfix Take 165 or below—
checkpoint Quantum Security ManagementR82.10 with Jumbo Hotfix Take 43 or below, R82 with Jumbo Hotfix Take 125 or below, R81.20 with Jumbo Hotfix Take 165 or below—

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