CVE-2026-30803: CWE-191 Integer Underflow (Wrap or Wraparound) in RTI Connext Micro
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.
AI Analysis
Technical Summary
This vulnerability is an integer underflow (CWE-191) in RTI Connext Micro Core Libraries, specifically affecting version 4.0.0. The flaw allows an attacker to cause buffer overreads due to wraparound of integer values. The CVSS 4.0 score of 8.8 indicates a high-severity issue with network attack vector, no privileges or user interaction required, and high impact on confidentiality and availability. No vendor advisory or patch information is currently available, and no exploits are known in the wild.
Potential Impact
Successful exploitation can lead to buffer overreads, potentially exposing sensitive memory contents or causing application instability. The high CVSS score reflects significant confidentiality and availability impact without requiring privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should monitor RTI advisories for updates and consider mitigating exposure by limiting network access to affected components if feasible.
CVE-2026-30803: CWE-191 Integer Underflow (Wrap or Wraparound) in RTI Connext Micro
Description
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.
CVSS v4.0
Score 8.8high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an integer underflow (CWE-191) in RTI Connext Micro Core Libraries, specifically affecting version 4.0.0. The flaw allows an attacker to cause buffer overreads due to wraparound of integer values. The CVSS 4.0 score of 8.8 indicates a high-severity issue with network attack vector, no privileges or user interaction required, and high impact on confidentiality and availability. No vendor advisory or patch information is currently available, and no exploits are known in the wild.
Potential Impact
Successful exploitation can lead to buffer overreads, potentially exposing sensitive memory contents or causing application instability. The high CVSS score reflects significant confidentiality and availability impact without requiring privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should monitor RTI advisories for updates and consider mitigating exposure by limiting network access to affected components if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- RTI
- Date Reserved
- 2026-03-05T14:43:37.192Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a32dad8f198dc38c1cef863
Added to database: 6/17/2026, 5:35:20 PM
Last enriched: 6/17/2026, 5:50:10 PM
Last updated: 6/17/2026, 7:58:55 PM
Views: 6
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