VDB-400486 · CVE-2026-52486 · GCVE-0-2026-52486

OpenDDS 3.33.x SignedDocument SignedDocument.cpp verify denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.2	$0-$5k	0.00+

Summaryinfo

A vulnerability, which was classified as problematic, was found in OpenDDS 3.33.x. This impacts the function verify of the file SignedDocument.cpp of the component SignedDocument Module. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2026-52486. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability has been found in OpenDDS 3.33.x and classified as problematic. This vulnerability affects the function verify of the file SignedDocument.cpp of the component SignedDocument Module. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of service via the verify function in the SIgnedDocument module

The advisory is available at github.com. This vulnerability was named CVE-2026-52486 since 06/08/2026. The exploitation appears to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

OpenDDS

Version

3.33.x

Website

Product: https://github.com/OpenDDS/OpenDDS/

CPE 2.3info

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CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/08/2026 CVE reserved
09/08/2026 +92 days Advisory disclosed
09/08/2026 +0 days VulDB entry created
09/08/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-52486 (🔒)
GCVE (CVE): GCVE-0-2026-52486
GCVE (VulDB): GCVE-100-400486

Entryinfo

Created: 09/08/2026 22:34
Changes: 09/08/2026 22:34 (54)
Complete: 🔍
Cache ID: 216::103