CVE-2026-4438: gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
Overview
- Severity
- N/A
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-22
- EPSS Score
- 0.04% (percentile: 10.9%)
Affected Products (1)
Open Source Software
- azl3 glibc 2.38-18 on Azure Linux 3.0
Revision History
- 2026-03-22: Information published.