CVE-2023-4813 (GCVE-0-2023-4813)
Vulnerability from cvelistv5 – Published: 2023-09-12 21:54 – Updated: 2025-11-11 19:29
VLAI
EPSS
VEX
Title
Glibc: potential use-after-free in gaih_inet()
Summary
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.
Severity
5.9 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHBA-2024:2413 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:5453 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:5455 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:7409 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-4813 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2237798 | issue-trackingx_refsource_REDHAT |
| http://www.openwall.com/lists/oss-security/2023/10/03/8 | x_transferred |
| https://security.netapp.com/advisory/ntap-2023111… | x_transferred |
Impacted products
7 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:2.28-225.el8_8.6 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos cpe:/a:redhat:enterprise_linux:8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
0:2.28-189.8.el8_6 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb cpe:/a:redhat:rhel_eus:8.6::appstream cpe:/o:redhat:rhev_hypervisor:4.4::el8 |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.34-100.el9 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.34-60.el9_2.7 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
||
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 |
Unaffected:
0:2.28-189.8.el8_6 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb cpe:/a:redhat:rhel_eus:8.6::appstream cpe:/o:redhat:rhev_hypervisor:4.4::el8 |
||
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
||
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
Date Public
2022-03-01 00:00
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"url": "https://access.redhat.com/errata/RHSA-2023:5453"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2023:5455"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2023:7409"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-4813"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2237798"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20231110-0003/"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-07-03T01:50:41+00:00",
"cve": "CVE-2023-4813",
"id": "CVE-2023-4813",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:fixed": "4060",
"product_status:known_affected": "20",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "glibc: potential use-after-free in gaih_inet()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-4813.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-31T01:16:33Z",
"cve": "CVE-2023-4813",
"id": "CVE-2023-4813",
"initial_release_date": "2023-09-14T02:09:22Z",
"product_status:known_affected": "405",
"product_status:known_not_affected": "13",
"product_status:recommended": "1367",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-4813",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-4813.json",
"version": "78"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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