CVE-2023-32726
CVE-2023-32726 is a low-severity vulnerability in Zabbix Zabbix-agent with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.
Key facts
- Severity: Low (CVSS 3.x base score 3.9)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-754
- Affected product: Zabbix Zabbix-agent
- Published:
- Last modified:
Description
The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.
Frequently asked questions
- What is CVE-2023-32726?
- The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.
- How severe is CVE-2023-32726?
- CVE-2023-32726 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2023-32726 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-32726?
- CVE-2023-32726 primarily affects Zabbix Zabbix-agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-32726?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-32726 published?
- CVE-2023-32726 was published on 2023-12-18 and last updated on 2026-06-17.
References
- https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/
- https://support.zabbix.com/browse/ZBX-23855
- https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html
Affected products (3)
- 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:*:*:*:*:*:*
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