CVE-2026-30803
published 2026-06-17CVE-2026-30803: Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers. Integer Underflow (Wrap or Wraparound)…
high8.8CVSS 4.0
AVNACLATNPRNUINVCHVINVAHSCNSINSAN
EPSS
0.28%
19.3th percentile
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
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| rti | connext_micro | >= 4.0.0 < 4.3.0 | 4.3.0 |
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CVEList
Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.
cvelistv5·2026-06-17·CVSS 8.8
CVE-2026-30803 [HIGH] CWE-191 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.
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.
VulDB
RTI Connext Micro up to 4.2.x integer underflow
vuldb·2026-06-17
CVE-2026-30803 [CRITICAL] RTI Connext Micro up to 4.2.x integer underflow
A vulnerability classified as critical has been found in RTI Connext Micro up to 4.2.x. This affects an unknown function. Performing a manipulation results in integer underflow.
This vulnerability is known as CVE-2026-30803. Remote exploitation of the attack is possible. No exploit is available.
It is recommended to upgrade the affected component.
GHSA
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.
ghsa_unreviewed·2026-06-17
CVE-2026-30803 [HIGH] CWE-191 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.
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-17
Published