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Vulnerability Details :

CVE-2026-30803

Summary
Assigner-RTI
Assigner Org ID-3f572a00-62e2-4423-959a-7ea25eff1638
Published At-17 Jun, 2026 | 17:21
Updated At-17 Jun, 2026 | 17:58
Rejected At-
Credits

Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.

Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:RTI
Assigner Org ID:3f572a00-62e2-4423-959a-7ea25eff1638
Published At:17 Jun, 2026 | 17:21
Updated At:17 Jun, 2026 | 17:58
Rejected At:
▼CVE Numbering Authority (CNA)
Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.

Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.

Affected Products
Vendor
RTI
Product
Connext Micro
Package Name
connext_micro
Modules
  • Core Libraries
Default Status
unaffected
Versions
Affected
  • From 4.0.0 before 4.3.0 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-191CWE-191 Integer Underflow (Wrap or Wraparound)
Type: CWE
CWE ID: CWE-191
Description: CWE-191 Integer Underflow (Wrap or Wraparound)
Metrics
VersionBase scoreBase severityVector
4.08.8HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 4.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-540CAPEC-540 Overread Buffers
CAPEC ID: CAPEC-540
Description: CAPEC-540 Overread Buffers
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.rti.com/vulnerabilities/#cve-2026-30803
N/A
Hyperlink: https://www.rti.com/vulnerabilities/#cve-2026-30803
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:3f572a00-62e2-4423-959a-7ea25eff1638
Published At:17 Jun, 2026 | 18:17
Updated At:17 Jun, 2026 | 20:20

Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.8HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
N/A
Type: Secondary
Version: 4.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-191Secondary3f572a00-62e2-4423-959a-7ea25eff1638
CWE ID: CWE-191
Type: Secondary
Source: 3f572a00-62e2-4423-959a-7ea25eff1638
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.rti.com/vulnerabilities/#cve-2026-308033f572a00-62e2-4423-959a-7ea25eff1638
N/A
Hyperlink: https://www.rti.com/vulnerabilities/#cve-2026-30803
Source: 3f572a00-62e2-4423-959a-7ea25eff1638
Resource: N/A

Change History

0
Information is not available yet

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Details not found