Rocky Linux 8 [CIQ] Security Update: curl / curl-debuginfo / curl-debugsource / libcurl / etc Multiple Vulnerabilities (crlsa-2026_92368)

critical Nessus Plugin ID 374495

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_92368 advisory.

* libcurl: libcurl: Security feature bypass due to improper mTLS connection reuse (CVE-2026-8932)

* curl: libcurl: Unauthorized connection reuse due to a logical error (CVE-2026-8458)

* curl: curl: Cookie injection via malicious HTTP server using super cookies (CVE-2026-8924)

* curl: curl: Information disclosure via incorrect Digest authentication header reuse (CVE-2026-11856)

* curl: Information disclosure due to uncleared proxy authentication state (CVE-2026-8927)

Bug Fix(es) and Enhancement(s):

* Backport upstream curl PR #6852 (h2: allow 100 streams by default) to Rocky Linux 8 libcurl (JIRA:Rocky Linux-232829)

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_92368.

Plugin Details

Severity: Critical

ID: 374495

File Name: ciq_rocky_linux_8_crlsa-2026_92368.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/31/2026

Updated: 10/31/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.41

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-11856

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: CVSS:3.0/E:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/30/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-11856, CVE-2026-8458, CVE-2026-8924, CVE-2026-8927, CVE-2026-8932

Detections

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