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EPSS 0.4%top 65%

CVE-2026-51540: n/a

0
Critical
VulnerabilityCVE-2026-51540cvecve-2026-51540
Published: 07/13/2026 (07/13/2026, 00:00:00 UTC)
Source: CVE Database V5

Description

OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/13/2026, 22:17:38 UTC

Technical Analysis

CVE-2026-51540 describes a severe memory corruption vulnerability in OpENer 2.3.0 (master branch up to commit 76b95cf) due to an integer underflow when handling connected explicit messages (SendUnitData). The integer underflow can cause improper memory operations leading to corruption. No CVSS score or detailed vendor advisory is available, and no patch or fix has been published as of the data provided.

Potential Impact

The vulnerability can cause memory corruption in affected OpENer versions, which may lead to application crashes, denial of service, or potentially arbitrary code execution depending on exploitation. However, no known exploits have been reported in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should monitor official OpENer channels for updates. No specific mitigation steps are provided in the available data.

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Technical Details

Data Version
5.2
Assigner Short Name
mitre
Date Reserved
2026-06-08T00:00:00.000Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null

Threat ID: 6a5560a568715ace43f2b527

Added to database: 07/13/2026, 22:03:17 UTC

Last enriched: 07/13/2026, 22:17:38 UTC

Last updated: 08/26/2026, 10:52:09 UTC

Views: 111

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