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RHEL 10 : podman (RHSA-2026:70201)
high Nessus Plugin ID 348799
Synopsis
The remote Red Hat host is missing one or more security updates for podman.Description
The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:70201 advisory.The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes.
Security Fix(es):
* podman: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810)
* podman: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)
* podman: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
* podman: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
* podman: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)
* podman: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)
* podman: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)
* podman: golang.org/x/text: Denial of Service via invalid UTF-8 input (CVE-2026-56852)
* podman: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499)
* podman: Quadlet install --replace non-truncating write retains removed host-access directives (CVE-2026-19730)
* podman: moby/go-archive: Arbitrary file write via link following in tar extraction (CVE-2026-17106)
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 podman package based on the guidance in RHSA-2026:70201.See Also
https://access.redhat.com/errata/RHSA-2026:70201
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2456335
https://bugzilla.redhat.com/show_bug.cgi?id=2467809
https://bugzilla.redhat.com/show_bug.cgi?id=2504233
https://bugzilla.redhat.com/show_bug.cgi?id=2508234
https://bugzilla.redhat.com/show_bug.cgi?id=2515815
https://bugzilla.redhat.com/show_bug.cgi?id=2515820
https://bugzilla.redhat.com/show_bug.cgi?id=2515827
https://bugzilla.redhat.com/show_bug.cgi?id=2515838
https://bugzilla.redhat.com/show_bug.cgi?id=2515839
Plugin Details
Severity: High
ID: 348799
File Name: redhat-RHSA-2026-70201.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 9/22/2026
Updated: 9/22/2026
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
Percentile: 96.54
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 8.5
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:N
CVSS Score Source: CVE-2026-33810
CVSS v3
Risk Factor: High
Base Score: 8.2
Temporal Score: 7.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 7.1
Threat Score: 6.2
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2026-17106
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:podman-docker, p-cpe:/a:redhat:enterprise_linux:podman-remote, p-cpe:/a:redhat:enterprise_linux:podman-tests, p-cpe:/a:redhat:enterprise_linux:podman
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: 9/22/2026
Vulnerability Publication Date: 4/7/2026
Reference Information
CVE: CVE-2026-17106, CVE-2026-19730, CVE-2026-33810, CVE-2026-33818, CVE-2026-42499, CVE-2026-56852, CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862