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getaddrinfo: Stack read overflow in no-aaaa mode
If the system is configured in no-aaaa mode via /etc/resolv.conf,
getaddrinfo is called for the AF_UNSPEC address family, and a DNS
response is received over TCP that is larger than 2048 bytes,
getaddrinfo may potentially disclose stack contents via the returned
address data, or crash.
CVE-Id: CVE-2023-4527
Public-Date: 2023-09-12
Vulnerable-Commit: f282cdbe7f436c75864e5640a409a10485e9abb2 (2.36)
Fix-Commit: bd77dd7e73e3530203be1c52c8a29d08270cb25d (2.39)
Fix-Backport: 4ea972b7edd7e36610e8cde18bf7a8149d7bac4f (2.36)
Fix-Backport: b7529346025a130fee483d42178b5c118da971bb (2.37)
Fix-Backport: b25508dd774b617f99419bdc3cf2ace4560cd2d6 (2.38)
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