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Rocky Linux 8 [CIQ] Security Update: osbuild-composer / osbuild-composer-core / etc Multiple Vulnerabilities (crlsa-2026_66016)
high Nessus Plugin ID 356581
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Synopsis
The Rocky Linux host is missing one or more security updates.Description
The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_66016 advisory.* golang-fips: Golang FIPS zeroed buffer (CVE-2024-9355)
* golang: net/http: net/http: sensitive headers incorrectly sent after cross-domain redirect (CVE-2024-45336)
* net/mail: golang: Go net/mail: Denial of Service via crafted email inputs (CVE-2026-39820)
* golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)
* encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
* net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
* net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)
* html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)
* crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)
* encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)
Tenable has extracted the preceding description block directly from the CIQ 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 affected packages based on the guidance in CIQ advisory crlsa-2026_66016.See Also
https://access.redhat.com/errata/RHSA-2026:66016
https://bugzilla.redhat.com/show_bug.cgi?id=2315719
https://bugzilla.redhat.com/show_bug.cgi?id=2341751
https://bugzilla.redhat.com/show_bug.cgi?id=2467820
https://bugzilla.redhat.com/show_bug.cgi?id=2480756
https://bugzilla.redhat.com/show_bug.cgi?id=2515815
https://bugzilla.redhat.com/show_bug.cgi?id=2515820
https://bugzilla.redhat.com/show_bug.cgi?id=2515827
https://bugzilla.redhat.com/show_bug.cgi?id=2515838
https://bugzilla.redhat.com/show_bug.cgi?id=2515839
https://bugzilla.redhat.com/show_bug.cgi?id=2515840
https://errata.build.resf.org/RLSA-2026:66016
Plugin Details
Severity: High
ID: 356581
File Name: ciq_rocky_linux_8_crlsa-2026_66016.nasl
Version: 1.1
Type: Local
Published: 10/1/2026
Updated: 10/1/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.8
Percentile: 57.83
Vendor
Vendor Severity: Unknown
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-39820
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
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:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 7.6
Threat Score: 5
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2024-9355
Vulnerability Information
Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 9/10/2026
Vulnerability Publication Date: 10/1/2024
Reference Information
CVE: CVE-2024-45336, CVE-2024-9355, CVE-2026-33818, CVE-2026-39820, CVE-2026-39821, CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862