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CVE-2023-4813

Glibc: potential use-after-free in gaih_inet()

Published: Sep 12, 2023Updated: Sep 26, 2025 Sources: CVE List NVD BDU csafCWE-416
5.9MEDIUM
NVD MITRE
EPSS Score
1.9%
Top 20.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-416

Affected Products

Red Hat Inc.
commercial·USaka Red Hat, redhat
Red Hat Enterprise Linux 8On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.6 Extended Update SupportOn-premOS
Operating Systems / linux-distro
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8On-premOS
Operating Systems / linux-distro
enterprise linux for ibm z systems eus s390xOn-prem
Operating Systems / linux-distro
enterprise linux for ibm z systems s390xOn-prem
Operating Systems / linux-distro
enterprise linux for power little endianOn-prem
Operating Systems / linux-distro
enterprise linux for power little endian eusOn-prem
Operating Systems / linux-distro
netapp
commercial·US
active iq unified manager
Hardware Firmware
h300s firmware
Hardware Firmware
h500s firmware
Hardware Firmware
h700s firmware
Hardware Firmware
h410s firmware
Hardware Firmware
h410c firmware
Hardware Firmware
АО «НТЦ ИТ РОСА»
commercial·RU
ROSA VirtualizationOn-prem
Operating Systems / linux-distro
РОСА ХРОМOn-prem
Operating Systems / linux-distro
gnu
oss-project·USaka g. nu
glibc
OSS Libraries
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
and 10 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHBA-2024:2413
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:5453
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:5455
access.redhat.com
and 20 more references View all →

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