CVE-2023-5156 HIGH

CVE-2023-5156: Glibc: dos due to memory leak in getaddrinfo.c

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-401
Published September 25, 2023
Last update December 18, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.

Key dates

02Disclosure timeline

September 25, 2023 CVE published
December 18, 2025 Record updated