Detections
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RHEL 8 / 9 : Satellite 6.16 EUS (RHSA-2026:92858)
high Nessus Plugin ID 373932
Synopsis
The remote Red Hat host is missing one or more security updates for Satellite 6.16 EUS.Description
The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:92858 advisory.This advisory provides security fixes for affected packages used by Red Hat Satellite. The updates address the vulnerabilities described below.
Security Fix(es):
* yggdrasil-worker-forwarder: Denial of Service via malformed RPC requests in gRPC-Go (CVE-2026-84445)
* yggdrasil-worker-forwarder: Denial of Service via multiple ECH outer extension references in crypto/tls (CVE-2026-97031)
* yggdrasil-worker-forwarder: Denial of Service via crafted HTTP Range headers in Go (CVE-2026-78667)
* yggdrasil-worker-forwarder: Denial of Service via excessive HTTP/2 SETTINGS frames in net/http (CVE-2026-78669)
* yggdrasil-worker-forwarder: Man-in-the-middle attacks via untrusted intermediate certificates in crypto/x509 (CVE-2026-111943)
* openvox-server: Denial of Service via unchecked DTLS handshake reassembler buffer allocation in Bouncy Castle for Java (CVE-2026-59646)
* openvox-server: CPU Denial of Service via unbounded numeric parsing in jackson-databind (CVE-2026-68497)
* openvox-server: HTTP request smuggling via crafted chunked requests in Jetty (CVE-2026-19203)
* openvox-server: Denial of Service via regular expression backtracking in jackson-core (CVE-2026-89407)
* openvox-server: Denial of Service via unbounded StringBuilder growth during malformed token processing in jackson-core (CVE-2026-89425)
* openvox-server: Access control bypass via case-sensitive host filtering in Eclipse Jetty (CVE-2026-18660)
* openvox-agent: heap buffer overflow in CMS key unwrapping (CVE-2026-63072)
* openvox-agent: invalid pointer dereference in CMP server via crafted protectionAlg (CVE-2026-63076)
* openvox-agent: curl: Cookie injection via malicious HTTP server using super cookies (CVE-2026-8924)
* puppet-agent: curl: Cookie injection via malicious HTTP server using super cookies (CVE-2026-8924)
* puppet-agent: heap buffer overflow in CMS key unwrapping (CVE-2026-63072)
* puppetserver: Jackson-core: Denial of Service via regular expression backtracking (CVE-2026-89407)
* puppetserver: Jetty: HTTP request smuggling via crafted chunked requests (CVE-2026-19203)
* puppetserver: jackson-databind: CPU Denial of Service via unbounded numeric parsing (CVE-2026-68497)
* yggdrasil-worker-forwarder: golang: Denial of Service via memory limit bypass in multipart form parsing (CVE-2026-94440)
* openvox-server: jackson-core: Denial of Service via incomplete fix in async JSON parser (CVE-2026-68494)
* yggdrasil-worker-forwarder: golang.org/x/text: Denial of Service via invalid UTF-8 input (CVE-2026-56852)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL Satellite 6.16 EUS package based on the guidance in RHSA-2026:92858.See Also
https://access.redhat.com/errata/RHSA-2026:92858
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2496765
https://bugzilla.redhat.com/show_bug.cgi?id=2504233
https://bugzilla.redhat.com/show_bug.cgi?id=2510193
https://bugzilla.redhat.com/show_bug.cgi?id=2511026
https://bugzilla.redhat.com/show_bug.cgi?id=2517560
https://bugzilla.redhat.com/show_bug.cgi?id=2517561
https://bugzilla.redhat.com/show_bug.cgi?id=2529768
https://bugzilla.redhat.com/show_bug.cgi?id=2531964
https://bugzilla.redhat.com/show_bug.cgi?id=2533175
https://bugzilla.redhat.com/show_bug.cgi?id=2538720
https://bugzilla.redhat.com/show_bug.cgi?id=2539084
https://bugzilla.redhat.com/show_bug.cgi?id=2548334
https://bugzilla.redhat.com/show_bug.cgi?id=2548336
https://bugzilla.redhat.com/show_bug.cgi?id=2548341
https://bugzilla.redhat.com/show_bug.cgi?id=2548344
https://bugzilla.redhat.com/show_bug.cgi?id=2553134
Plugin Details
Severity: High
ID: 373932
File Name: redhat-RHSA-2026-92858.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 10/30/2026
Updated: 10/30/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.3
Percentile: 98.16
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-59646
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.8
Threat Score: 7.8
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2026-18660
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:openvox-agent, p-cpe:/a:redhat:enterprise_linux:openvox-server, p-cpe:/a:redhat:enterprise_linux:yggdrasil-worker-forwarder
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/29/2026
Vulnerability Publication Date: 6/25/2026
Reference Information
CVE: CVE-2026-111943, CVE-2026-18660, CVE-2026-19203, CVE-2026-56852, CVE-2026-59646, CVE-2026-63072, CVE-2026-63076, CVE-2026-68494, CVE-2026-68497, CVE-2026-78667, CVE-2026-78669, CVE-2026-84445, CVE-2026-8924, CVE-2026-89407, CVE-2026-89425, CVE-2026-94440, CVE-2026-97031