CVE-2023-7340

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Source
https://cve.org/CVERecord?id=CVE-2023-7340
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-7340.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-7340
Aliases
Published
2026-03-27T15:52:47.751Z
Modified
2026-08-04T11:48:58.230076829Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Wazuh authd service (os_auth) Heap-based Buffer Overflow
Details

Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/7xxx/CVE-2023-7340.json",
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-125"
    ]
}
References

Affected packages

Git / github.com/wazuh/wazuh

Affected ranges

Type
GIT
Repo
https://github.com/wazuh/wazuh
Events
Introduced
458d330c3e2dfb186f85754292f6a5a7ac7ddbd2
Last affected
89530f11c9e592cd2e551432209b0080f08ff8e5
Database specific 
{
    "extracted_events": [
        {
            "introduced": "3.5.0"
        },
        {
            "last_affected": "4.3.10"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

v3.*
v3.12.0
v3.13.0
v3.13.1
v3.5.0
v3.6.0
v3.6.1
v3.7.0
v3.8.0
v4.*
v4.3.0
v4.3.1
v4.3.10
v4.3.4
v4.3.5
v4.3.6
v4.3.7
v4.3.8
v4.3.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-7340.json"