Rocky Linux 8 [CIQ] Security Update: aardvark-dns / buildah / buildah-debuginfo / buildah-debugsource / etc Multiple Vulnerabilities (crlsa-2026_35833)

high Nessus Plugin ID 357510

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_35833 advisory.

* github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986)

* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters (CVE-2026-39829)

* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses (CVE-2026-39830)

* golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions (CVE-2026-39832)

* golang.org/x/crypto/ssh/knownhosts: golang: golang.org/x/crypto/ssh/knownhosts: Revocation bypass via unchecked SignatureKey (CVE-2026-42508)

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_35833.

See Also

https://access.redhat.com/errata/RHSA-2026:35833

https://bugzilla.redhat.com/show_bug.cgi?id=2455470

https://bugzilla.redhat.com/show_bug.cgi?id=2480681

https://bugzilla.redhat.com/show_bug.cgi?id=2480684

https://bugzilla.redhat.com/show_bug.cgi?id=2480685

https://bugzilla.redhat.com/show_bug.cgi?id=2480688

https://errata.build.resf.org/RLSA-2026:35833

http://www.nessus.org/u?17f0f3af

http://www.nessus.org/u?5ab68dcf

Plugin Details

Severity: High

ID: 357510

File Name: ciq_rocky_linux_8_crlsa-2026_35833.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

Percentile: 57.75

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-42508

CVSS v3

Risk Factor: High

Base Score: 8.7

Temporal Score: 7.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-39832

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 7/6/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-34986, CVE-2026-39829, CVE-2026-39830, CVE-2026-39832, CVE-2026-42508