Zephyr vulnerability

A denial-of-service issue in the dns implemenation could cause an infinite loop.

Published 24 Jun 2025Updated 13 Oct 202622 sources
CVSS 7.5 ✓ VERIFIED REFERENCE

What happened

A denial-of-service issue in the dns implemenation could cause an infinite loop.

Affected versions

Zephyr: * through before 3.7.2 (git); 4.0.0 through before 4.2.0 (git) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

RepositoryAuthorFirst seenReference
github.comNVD reference2025-06-24Verified