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RockyLinux 9 : mod_auth_openidc (RLSA-2026:97861)

high Nessus Plugin ID 380197

Synopsis

The remote RockyLinux host is missing a security update.

Description

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:97861 advisory.

 * mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected mod_auth_openidc, mod_auth_openidc-debuginfo and / or mod_auth_openidc-debugsource packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2521051

https://errata.rockylinux.org/RLSA-2026:97861

Plugin Details

Severity: High

ID: 380197

File Name: rocky_linux_RLSA-2026-97861.nasl

Version: 1.1

Type: Local

Published: 11/13/2026

Updated: 11/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

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-2026-54789

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

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:mod_auth_openidc-debuginfo, p-cpe:/a:rocky:linux:mod_auth_openidc-debugsource, p-cpe:/a:rocky:linux:mod_auth_openidc

Required KB Items: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2026

Vulnerability Publication Date: 8/21/2026

Reference Information

CVE: CVE-2026-54789