CVE-2023-4813Glibc: potential use-after-free in gaih_inet()
Updated under an hour ago ()
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It affects Red Hat Enterprise Linux 8 and 20 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
Red Hat Red Hat Enterprise Linux 8 redhat:enterprise_linux | from 0:2.28-225.el8_8.6 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support redhat:rhel_eus | from 0:2.28-189.8.el8_6 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support redhat:rhev_hypervisor | from 0:2.28-189.8.el8_6 not affected | CNA record |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
gnu glibc gnu:glibc | before 2.36 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 8.0; 9.0 | NVD |
redhat enterprise_linux_eus redhat:enterprise_linux_eus | 8.8; 9.2 | NVD |
redhat enterprise_linux_for_ibm_z_systems_eus_s390x redhat:enterprise_linux_for_ibm_z_systems_eus_s390x | 9.2 | NVD |
redhat enterprise_linux_for_ibm_z_systems_s390x redhat:enterprise_linux_for_ibm_z_systems_s390x | 9.2 | NVD |
redhat enterprise_linux_for_power_little_endian redhat:enterprise_linux_for_power_little_endian | 9.2_ppc64le | NVD |
redhat enterprise_linux_for_power_little_endian_eus redhat:enterprise_linux_for_power_little_endian_eus | 9.2_ppc64le | NVD |
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus | 9.2 | NVD |
redhat enterprise_linux_server_tus redhat:enterprise_linux_server_tus | 8.8 | NVD |
fedoraproject fedora fedoraproject:fedora | 38 | NVD |
netapp active_iq_unified_manager netapp:active_iq_unified_manager | all versions | NVD |
netapp h300s_firmware netapp:h300s_firmware | all versions | NVD |
netapp h500s_firmware netapp:h500s_firmware | all versions | NVD |
netapp h700s_firmware netapp:h700s_firmware | all versions | NVD |
netapp h410s_firmware netapp:h410s_firmware | all versions | NVD |
netapp h410c_firmware netapp:h410c_firmware | all versions | NVD |
References
- https://access.redhat.com/errata/RHBA-2024:2413vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2023:5453vendor-advisory, x-refsource-redhat, third-party-advisory
- https://access.redhat.com/errata/RHSA-2023:5455vendor-advisory, x-refsource-redhat, third-party-advisory
- https://access.redhat.com/errata/RHSA-2023:7409vendor-advisory, x-refsource-redhat, third-party-advisory
- https://access.redhat.com/security/cve/CVE-2023-4813vdb-entry, x-refsource-redhat, third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2237798issue-tracking, x-refsource-redhat, patch, third-party-advisory
- http://www.openwall.com/lists/oss-security/2023/10/03/8
- https://security.netapp.com/advisory/ntap-20231110-0003/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.