RockyLinux 8 : gnutls (RLSA-2026:20611)

critical Nessus Plugin ID 317493

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:20611 advisory.

* gnutls: Add more checks to DTLS reassembly (CVE-2026-33846)
* gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)
* gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845)
* gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)
* gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833)
* gnutls: Fix intersecting empty constraints (CVE-2026-42011)

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

See Also

https://errata.rockylinux.org/RLSA-2026:20611

https://bugzilla.redhat.com/show_bug.cgi?id=2445763

https://bugzilla.redhat.com/show_bug.cgi?id=2450624

https://bugzilla.redhat.com/show_bug.cgi?id=2450625

https://bugzilla.redhat.com/show_bug.cgi?id=2467279

https://bugzilla.redhat.com/show_bug.cgi?id=2467289

https://bugzilla.redhat.com/show_bug.cgi?id=2467437

https://bugzilla.redhat.com/show_bug.cgi?id=2467441

https://bugzilla.redhat.com/show_bug.cgi?id=2467448

https://bugzilla.redhat.com/show_bug.cgi?id=2467450

https://bugzilla.redhat.com/show_bug.cgi?id=2467451

https://bugzilla.redhat.com/show_bug.cgi?id=2467678

Plugin Details

Severity: Critical

ID: 317493

File Name: rocky_linux_RLSA-2026-20611.nasl

Version: 1.1

Type: Local

Published: 5/29/2026

Updated: 5/29/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2026-42010

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

CPE: p-cpe:/a:rocky:linux:gnutls-debugsource, p-cpe:/a:rocky:linux:gnutls-utils, p-cpe:/a:rocky:linux:gnutls-utils-debuginfo, p-cpe:/a:rocky:linux:gnutls-debuginfo, p-cpe:/a:rocky:linux:gnutls, p-cpe:/a:rocky:linux:gnutls-dane, p-cpe:/a:rocky:linux:gnutls-c%2b%2b-debuginfo, p-cpe:/a:rocky:linux:gnutls-devel, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:gnutls-c%2b%2b, p-cpe:/a:rocky:linux:gnutls-dane-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-33845, CVE-2026-33846, CVE-2026-3833, CVE-2026-42009, CVE-2026-42010, CVE-2026-42011, CVE-2026-42012, CVE-2026-42013, CVE-2026-42014, CVE-2026-42015, CVE-2026-5260