SB2026100548 - Fedora EPEL 9 update for zabbix
Published: October 5, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Information disclosure (CVE-ID: CVE-2026-59782)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper isolation of heap data in the JavaScript preprocessing (Duktape) engine when defining malicious preprocessing rules. A remote privileged user can define malicious preprocessing rules to disclose sensitive information.
The disclosed heap data may originate from other running preprocessors.
2) Information disclosure (CVE-ID: CVE-2026-59785)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to disclose stored IPMI and PSK credentials.
The vulnerability exists due to improper access control in Frontend host search when filtering by fields that are not displayed. A remote user can send crafted search queries to disclose stored IPMI and PSK credentials.
Exploitation requires host read access.
CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to modify records for another host.
The vulnerability exists due to improper neutralization of the ZBXTRAP record delimiter in the zabbix_trap_receiver.pl Perl SNMP trap receiver script when processing crafted SNMP trap payloads. A remote user can send a crafted SNMP trap payload to inject a record targeting another host to modify records for another host.
Remediation
Install update from vendor's website.