Security Advisory

CVE-2023-4527

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-09-18 16:32:18

Last updated 2026-05-12 10:12:39

Assigner redhat

State PUBLISHED

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.

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