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Heap-based Buffer Overflow in VPN Certificate ASN.1 Decoding

CVSS 3.1 9.8 CRITICALCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-85103

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85103

Published

Quantum Security Gateway

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "product": "Quantum Security Gateway",
                    "vendor": "checkpoint",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "R82.10 with Jumbo Hotfix Take 43 or below"
                        },
                        {
                            "status": "affected",
                            "version": "R82 with Jumbo Hotfix Take 125 or below"
                        },
                        {
                            "status": "affected",
                            "version": "R81.20 with Jumbo Hotfix Take 165 or below"
                        }
                    ]
                }

Quantum Security Management

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "product": "Quantum Security Management",
                    "vendor": "checkpoint",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "R82.10 with Jumbo Hotfix Take 43 or below"
                        },
                        {
                            "status": "affected",
                            "version": "R82 with Jumbo Hotfix Take 125 or below"
                        },
                        {
                            "status": "affected",
                            "version": "R81.20 with Jumbo Hotfix Take 165 or below"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 15 Nov 04:55 UTC · 250 of 275 readable · 246 fully read · documentation 469/469 current