Rocky Linux 10.2 [CIQ] Security Update: python3-pyasn1 / python3-pyasn1-modules (crlsa-2026_59243)

high Nessus Plugin ID 353791

Synopsis

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

Description

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-2026_59243 advisory.

* pyasn1: pyasn1: Denial of Service via crafted ASN.1 REAL values (CVE-2026-59886)

Tenable has extracted the preceding description block directly from the CIQ 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 packages based on the guidance in CIQ advisory crlsa-2026_59243.

See Also

https://access.redhat.com/errata/RHSA-2026:59243

https://bugzilla.redhat.com/show_bug.cgi?id=2500041

https://errata.build.resf.org/RLSA-2026:59243

http://www.nessus.org/u?0e9c7a3d

http://www.nessus.org/u?dbcf96c8

Plugin Details

Severity: High

ID: 353791

File Name: ciq_rocky_linux_10_2_crlsa-2026_59243.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: Low

Score: 3

Percentile: 23.73

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-2026-59886

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: 8/25/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-59886