RHEL 8 : container-tools:rhel8 (RHSA-2026:4672)

critical Nessus Plugin ID 302751

Synopsis

The remote Red Hat host is missing one or more security updates for container-tools:rhel8.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4672 advisory.

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

* golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728)

* golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)

* crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL container-tools:rhel8 package based on the guidance in RHSA-2026:4672.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2434431

https://bugzilla.redhat.com/show_bug.cgi?id=2434432

https://bugzilla.redhat.com/show_bug.cgi?id=2437111

http://www.nessus.org/u?3151e9dd

https://access.redhat.com/errata/RHSA-2026:4672

Plugin Details

Severity: Critical

ID: 302751

File Name: redhat-RHSA-2026-4672.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/17/2026

Updated: 3/17/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

Vendor

Vendor Severity: Important

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-2025-68121

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:conmon, p-cpe:/a:redhat:enterprise_linux:containers-common, p-cpe:/a:redhat:enterprise_linux:crun, p-cpe:/a:redhat:enterprise_linux:python-podman, p-cpe:/a:redhat:enterprise_linux:podman-gvproxy, p-cpe:/a:redhat:enterprise_linux:aardvark-dns, p-cpe:/a:redhat:enterprise_linux:buildah-tests, p-cpe:/a:redhat:enterprise_linux:buildah, p-cpe:/a:redhat:enterprise_linux:crit, p-cpe:/a:redhat:enterprise_linux:podman-remote, p-cpe:/a:redhat:enterprise_linux:podman, p-cpe:/a:redhat:enterprise_linux:podman-catatonit, p-cpe:/a:redhat:enterprise_linux:libslirp-devel, p-cpe:/a:redhat:enterprise_linux:podman-plugins, p-cpe:/a:redhat:enterprise_linux:podman-tests, p-cpe:/a:redhat:enterprise_linux:python3-podman, p-cpe:/a:redhat:enterprise_linux:criu-libs, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:containernetworking-plugins, p-cpe:/a:redhat:enterprise_linux:container-selinux, p-cpe:/a:redhat:enterprise_linux:skopeo-tests, p-cpe:/a:redhat:enterprise_linux:podman-docker, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:udica, p-cpe:/a:redhat:enterprise_linux:netavark, p-cpe:/a:redhat:enterprise_linux:oci-seccomp-bpf-hook, p-cpe:/a:redhat:enterprise_linux:runc, p-cpe:/a:redhat:enterprise_linux:toolbox-tests, p-cpe:/a:redhat:enterprise_linux:skopeo, p-cpe:/a:redhat:enterprise_linux:criu-devel, p-cpe:/a:redhat:enterprise_linux:toolbox, p-cpe:/a:redhat:enterprise_linux:libslirp, p-cpe:/a:redhat:enterprise_linux:cockpit-podman, p-cpe:/a:redhat:enterprise_linux:criu, p-cpe:/a:redhat:enterprise_linux:slirp4netns, p-cpe:/a:redhat:enterprise_linux:fuse-overlayfs, p-cpe:/a:redhat:enterprise_linux:python3-criu

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/17/2026

Vulnerability Publication Date: 1/22/2026

Reference Information

CVE: CVE-2025-61726, CVE-2025-61728, CVE-2025-68121

CWE: 770

RHSA: 2026:4672