CVE-2023-4813
mediumA flaw has been identified in glibc.
Vendor / product: Gnu — glibc
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.
CVSS
5.9
5.9 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-09-12 22:15
Modified: 2026-10-30 19:17
NVD status: Modified
Last synced 19 hours ago
Verified against the source API 2026-10-30 19:20 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
gnu / glibc <2.36
redhat / enterprise_linux 8.0, 9.0
redhat / enterprise_linux_eus 8.8, 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
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=2237798
Patch / mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=2237798
References
- https://access.redhat.com/errata/RHSA-2023:5453 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:5455 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7409 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2023-4813 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2237798 secalert@redhat.com
- http://www.openwall.com/lists/oss-security/2023/10/03/8 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:5453 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:5455 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:7409 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/security/cve/CVE-2023-4813 af854a3a-2127-422b-91ae-364da2661108
- https://bugzilla.redhat.com/show_bug.cgi?id=2237798 af854a3a-2127-422b-91ae-364da2661108
- https://security.netapp.com/advisory/ntap-20231110-0003/ af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 19:20 UTC · record ↗