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Stack-based Buffer Overflow The advisory has been revoked - it doesn't affect any version of package glibc-gconv-extra  (opens in a new tab)

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EPSS
1.51% (72nd percentile)

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  • Snyk IDSNYK-RHEL9-GLIBCGCONVEXTRA-9914959
  • published1 May 2025
  • disclosed12 Sept 2023
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Introduced: 12 Sep 2023

CVE-2023-4527  (opens in a new tab)
CWE-121  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-gconv-extra package and not the glibc-gconv-extra package as distributed by RHEL.

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.

References