Possible buffer overread from reading DNS responses
Priority LOW 36CWE-754Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.
Why it matters now
EPSS 0.00673 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
No affected products listed by the sources yet.
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:* | 5.0.0 – 5.0.39; 6.0.0 – 6.0.23; 6.4.0 – 6.4.8 | Vulnerable | Zabbix |
| cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha1:*:*:*:*:*:* | 7.0.0 alpha1 | Vulnerable | Zabbix |
| cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha6:*:*:*:*:*:* | 7.0.0 alpha6 | Vulnerable | Zabbix |
- cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:* Versions 5.0.0 – 5.0.39; 6.0.0 – 6.0.23; 6.4.0 – 6.4.8 Vulnerable ·Zabbix
- cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha1:*:*:*:*:*:* Versions 7.0.0 alpha1 Vulnerable ·Zabbix
- cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha6:*:*:*:*:*:* Versions 7.0.0 alpha6 Vulnerable ·Zabbix
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32726
- 2026-10-03 Alias added: GHSA-fqr7-2x83-wf2r
References
Sources
- CVE-2023-32726 · CVE Program
- CVE-2023-32726 · NVD
- FIRST EPSS
- GHSA-fqr7-2x83-wf2r · GitHub Advisory Database · CC BY 4.0
- CVE-2023-32726 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences