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CVE-2026-93307: Uncontrolled Memory Allocation in O-RAN-SC SMO OAM

0
Medium
VulnerabilityCVE-2026-93307cvecve-2026-93307
Published: 09/17/2026 (09/17/2026, 21:45:10 UTC)
Source: CVE Database V5
Vendor/Project: O-RAN-SC
Product: SMO OAM

Description

A vulnerability has been found in O-RAN-SC SMO OAM 2025-06-10. Affected is an unknown function of the component VES Collector. Such manipulation of the argument additionalFields.padding leads to uncontrolled memory allocation. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through a bug report but has not responded yet.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

O-RAN-SC

SMO OAM

Affected versions
=2025-06-10
GitHub Actionsmore threats →ai
o-ran-sc/smo_oam
pkg:github/o-ran-sc/smo_oam
Affected versions
=2025-06-10
CPE configurations
cpe:2.3:a:o-ran-sc:smo_oam:*:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/17/2026, 22:13:23 UTC

Technical Analysis

This vulnerability in O-RAN-SC SMO OAM 2025-06-10 affects an unknown function within the VES Collector component. An attacker can manipulate the additionalFields.padding argument to trigger uncontrolled memory allocation, potentially leading to denial of service or other impacts. The flaw is remotely exploitable without requiring user interaction or elevated privileges. The issue was reported early to the project but remains unaddressed, and exploit details have been publicly disclosed.

Potential Impact

The vulnerability allows remote attackers to cause uncontrolled memory allocation in the affected component, which may lead to denial of service or resource exhaustion. The CVSS 4.0 base score is 5.3 (medium severity), reflecting the network attack vector, low attack complexity, no privileges or user interaction required, and limited impact on confidentiality, integrity, and availability.

Mitigation Recommendations

No official patch or remediation has been announced by the vendor. Since the project has not responded yet, users should monitor for vendor advisories and apply any future updates promptly. In the meantime, consider restricting network access to the affected component to trusted sources to reduce exposure.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-17T17:05:34.780Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aac65bc55bf5e2cf5fdf631

Added to database: 09/17/2026, 22:12:12 UTC

Last enriched: 09/17/2026, 22:13:23 UTC

Last updated: 09/18/2026, 02:06:41 UTC

Views: 4

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