CVE-2026-103390

An Out-of-Bounds Read vulnerability in the HttpParser component in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker to cause a denial of service via a specially crafted HTTP request.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://supportportal.juniper.net/JSA112183

Configurations

No configuration.

History

28 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-28 17:17

Updated : 2026-10-29 02:16

NVD link : CVE-2026-103390

Mitre link : CVE-2026-103390

CVE.ORG link : CVE-2026-103390

JSON object : View

Products Affected

No product.

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2026-103390", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-103390", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-29T01:37:59.693207Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "sirt@juniper.net", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "sirt@juniper.net", "affectedData": [{"vendor": "Juniper Networks", "product": "Session Smart Router", "versions": [{"status": "affected", "version": "0", "lessThan": "7.0.5", "versionType": "custom"}, {"status": "affected", "version": "7.1.0", "lessThan": "7.1.7", "versionType": "custom"}, {"status": "affected", "version": "7.2.0", "lessThan": "7.2.3", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Juniper Networks", "product": "Session Smart Conductor", "versions": [{"status": "affected", "version": "0", "lessThan": "7.0.5", "versionType": "custom"}, {"status": "affected", "version": "7.1.0", "lessThan": "7.1.7", "versionType": "custom"}, {"status": "affected", "version": "7.2.0", "lessThan": "7.2.3", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-28T17:17:21.947", "references": [{"url": "https://supportportal.juniper.net/JSA112183", "source": "sirt@juniper.net"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "sirt@juniper.net", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "An Out-of-Bounds Read vulnerability in the HttpParser component in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker to cause a denial of service via a specially crafted HTTP request."}], "lastModified": "2026-10-29T02:16:45.287", "sourceIdentifier": "sirt@juniper.net"}