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socketcand EUVD-2026-26691

| CVE-2026-37538 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-05-01 mitre
7.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

5
Analysis Generated
May 01, 2026 - 19:45 vuln.today
CVSS changed
May 01, 2026 - 19:22 NVD
7.5 (HIGH)
EUVD ID Assigned
May 01, 2026 - 17:00 euvd
EUVD-2026-26691
Analysis Generated
May 01, 2026 - 17:00 vuln.today
CVE Published
May 01, 2026 - 00:00 nvd
HIGH 7.5

DescriptionNVD

Buffer overflow vulnerability in socketcand 0.4.2 in file socketcand.c in function main allows attackers to cause a denial of service or other unspecified impacts via crafted bus_name.

AnalysisAI

Remote unauthenticated attackers can crash socketcand 0.4.2 daemon by sending a malformed CAN bus name that triggers a stack-based buffer overflow in the main function's socketcand.c implementation. The CVSS vector indicates network-accessible denial of service with no authentication required. …

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RemediationAI

Within 24 hours: Inventory all socketcand 0.4.2 instances and isolate any facing external networks or untrusted subnets behind firewall rules blocking unsolicited inbound connections. Within 7 days: Restrict network access to socketcand ports (default 29536) to only authorized clients and implement rate-limiting on CAN bus name requests. …

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EUVD-2026-26691 vulnerability details – vuln.today

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