Lucene search
K

CVE-2026-4437 gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response

🗓️ 20 Mar 2026 19:59:00Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

CVE-2026-4437: gethostbyaddr may misinterpret crafted DNS responses as valid answers when using the DNS backend in nsswitch configuration on the GNU C Library.

Related
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

09 Jul 2026 18:30Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00292
1