CVE-2023-4813

Name: CVE-2023-4813
Creator: NVD / NIST
Published: 2023-09-12T22:15:08.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 1.67%

Last modified Jun 17, 2026

CVE-2023-4813 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

1.67%

73.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gnu	Glibc	< 2.36
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux	9.0
Redhat	Enterprise Linux Eus	8.8
Redhat	Enterprise Linux Eus	9.2
Redhat	Enterprise Linux For Ibm Z Systems Eus S390x	9.2
Redhat	Enterprise Linux For Ibm Z Systems S390x	9.2
Redhat	Enterprise Linux For Power Little Endian	9.2_ppc64le
Redhat	Enterprise Linux For Power Little Endian Eus	9.2_ppc64le
Redhat	Enterprise Linux Server Aus	9.2
Redhat	Enterprise Linux Server Tus	8.8
Fedoraproject	Fedora	38
Netapp	Active Iq Unified Manager	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H410s Firmware	All versions
Netapp	H410c Firmware	All versions

References

https://access.redhat.com/errata/RHBA-2024:2413
https://access.redhat.com/errata/RHSA-2023:5453Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7409Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4813Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2237798Issue Tracking, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/03/8
https://access.redhat.com/errata/RHSA-2023:5453Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7409Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4813Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2237798Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20231110-0003/

Timeline

Published: Sep 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4813?

How severe is CVE-2023-4813?

CVE-2023-4813 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4813?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4813?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST