Rocky Linux 10.2 [CIQ] Security Update: opentelemetry-collector Multiple Vulnerabilities (crlsa-2026_34357)

high Nessus Plugin ID 359345

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 10.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_34357 advisory.

* github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint (CVE-2026-42154)

* github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API (CVE-2026-42151)

* net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)

* golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)

* golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)

* crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)

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 opentelemetry-collector package based on the guidance in CIQ advisory crlsa-2026_34357.

See Also

https://access.redhat.com/errata/RHSA-2026:34357

https://bugzilla.redhat.com/show_bug.cgi?id=2466505

https://bugzilla.redhat.com/show_bug.cgi?id=2466507

https://bugzilla.redhat.com/show_bug.cgi?id=2467822

https://bugzilla.redhat.com/show_bug.cgi?id=2480756

https://bugzilla.redhat.com/show_bug.cgi?id=2480761

https://bugzilla.redhat.com/show_bug.cgi?id=2484207

https://errata.build.resf.org/RLSA-2026:34357

http://www.nessus.org/u?2e70019e

http://www.nessus.org/u?499acd7e

Plugin Details

Severity: High

ID: 359345

File Name: ciq_rocky_linux_10_2_crlsa-2026_34357.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: 5

Percentile: 93.89

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-2026-33811

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

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: 7/7/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-25681, CVE-2026-27145, CVE-2026-33811, CVE-2026-39821, CVE-2026-42151, CVE-2026-42154