CVE-2023-32726

The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.

CVSS v3 3.9 LOW

3.9^/10

CVSS v3 : LOW

Vector :

Exploitability : 0.5 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/
https://support.zabbix.com/browse/ZBX-23855	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html
https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/
https://support.zabbix.com/browse/ZBX-23855	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:zabbix:zabbix-agent::::::::
	cpe:2.3:a:zabbix:zabbix-agent::::::::
	cpe:2.3:a:zabbix:zabbix-agent::::::::
	cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha1::::::
	cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha6::::::

History

03 Nov 2025, 22:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html -

Information

Published : 2023-12-18 10:15

Updated : 2025-11-03 22:16

NVD link : CVE-2023-32726

Mitre link : CVE-2023-32726

CVE.ORG link : CVE-2023-32726

JSON object : View

Products Affected

zabbix

zabbix-agent

CWE

CWE-754

Improper Check for Unusual or Exceptional Conditions

{"id": "CVE-2023-32726", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@zabbix.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.9, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 0.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2023-12-18T10:15:06.750", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html", "source": "security@zabbix.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/", "source": "security@zabbix.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/", "source": "security@zabbix.com"}, {"url": "https://support.zabbix.com/browse/ZBX-23855", "tags": ["Vendor Advisory"], "source": "security@zabbix.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.zabbix.com/browse/ZBX-23855", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@zabbix.com", "description": [{"lang": "en", "value": "CWE-754"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-754"}]}], "descriptions": [{"lang": "en", "value": "The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server."}, {"lang": "es", "value": "La vulnerabilidad se debe a una verificaci\u00f3n incorrecta de si RDLENGTH no desborda el b\u00fafer en respuesta del servidor DNS."}], "lastModified": "2025-11-03T22:16:22.167", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D042C89-DB7A-476E-B02B-A39386189825", "versionEndIncluding": "5.0.39", "versionStartIncluding": "5.0.0"}, {"criteria": "cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E3A1180-2007-40CD-9AD2-EA904E222989", "versionEndIncluding": "6.0.23", "versionStartIncluding": "6.0.0"}, {"criteria": "cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C295C3B-0788-4E5B-991E-8CAFE1365CCD", "versionEndIncluding": "6.4.8", "versionStartIncluding": "6.4.0"}, {"criteria": "cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725CFCBF-DF3B-4E94-8A56-AA2DA2F8462E"}, {"criteria": "cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E2109D2-0986-43D0-9561-447DB52F137E"}], "operator": "OR"}]}], "sourceIdentifier": "security@zabbix.com"}