EUVD-2026-74266
GHSA-2c3q-4r43-mv83
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Description confirms DoS-only impact; C:L and I:L from the provided vector are unsupported by the stated outcome; local low-privilege requirement aligns with SSVC and attack context.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
3DescriptionCVE.org
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
AnalysisAI
Improper cryptographic signature verification in OpenDDS 3.33.x's SignedDocument module allows a local, low-privileged attacker to crash the DDS participant process via a crafted signed document, causing a denial of service. The flaw (CWE-347) resides in the verify() function within the SSL/SignedDocument.cpp component of the DDS Security implementation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local access to a host running OpenDDS 3.33.x and a low-privileged operating system account (PR:L per CVSS vector AV:L/PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.6 score with AV:L/AC:L/PR:L reflects a locally exploitable, low-complexity flaw requiring only a low-privileged account, which limits exposure in environments with strict host access controls but remains meaningful in shared or multi-tenant systems. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch or confirmed fixed version has been identified in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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