CVE-2023-4813
Glibc: potential use-after-free in gaih_inet()
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-416 |
| Vendor | red hat |
| Product | red hat enterprise linux 8 |
| Published | Sep 12, 2023 |
| Last Updated | Nov 11, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected References
access.redhat.com: 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: https://access.redhat.com/errata/RHSA-2023:7409 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-4813 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2237798 openwall.com: http://www.openwall.com/lists/oss-security/2023/10/03/8 security.netapp.com: https://security.netapp.com/advisory/ntap-20231110-0003/