CVE-2023-4527 Information

Description

A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data and may cause a crash.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2234712 https://access.redhat.com/security/cve/CVE-2023-4527