RHSA-2026:98447: Important: podman security update

Q: Which Podman-related packages are covered by this update?

The update covers podman, podman-debuginfo, podman-debugsource, podman-plugins, podman-plugins-debuginfo, podman-remote, podman-remote-debuginfo, and podman-tests.

Q: What types of security impact are addressed?

The fixes address denial-of-service issues in Go net/mail, encoding/asn1, net/url, crypto/tls, and encoding/xml. They also address a cross-site scripting issue in Go html/template.

Q: Which inputs or protocol behaviors are implicated by the fixes?

The listed issues involve pathological email-address parsing, excessive ASN.1 unmarshalling recursion, quadratic URL path resolution, pathological HTML template input, indefinite TLS KeyUpdate messages, and recursive XML decoding.

Published Nov 11, 2026

Updated

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): net/mail: golang: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499) encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860) html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858) crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862) encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859) 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.

Affected Software

37 affected componentsFixes available

redhat/podman<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-debugsource<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-docker<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-plugins<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-plugins-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-remote<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-remote-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-tests<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-tests-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-debugsource<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-plugins<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-plugins-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-remote<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-remote-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-tests<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-tests-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-debugsource<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-plugins<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-plugins-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-remote<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-remote-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-tests<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman-tests-debuginfo<5.8.5-3.el9_9

5.8.5-3.el9_9

redhat/podman<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-debuginfo<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-debugsource<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-plugins<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-plugins-debuginfo<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-remote<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-remote-debuginfo<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-tests<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

redhat/podman-tests-debuginfo<5.8.5-3.el9_9.aa

5.8.5-3.el9_9.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade redhat/podman to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-debugsource to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-docker to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-plugins to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-plugins-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-remote to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-remote-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-tests to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman-tests-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9
Upgrade
Upgrade redhat/podman to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-debugsource to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-plugins to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-plugins-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-remote to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-remote-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-tests to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa
Upgrade
Upgrade redhat/podman-tests-debuginfo to a version that resolves this vulnerability.
Fixed in 5.8.5-3.el9_9.aa

Event History

Nov 11, 2026

Advisory Published

via Red Hat·12:00 AM

Data Sourced

via Red Hat·12:00 AM

RemedyDescriptionAffected Software

Frequently Asked Questions

Which Podman-related packages are covered by this update?

The update covers podman, podman-debuginfo, podman-debugsource, podman-plugins, podman-plugins-debuginfo, podman-remote, podman-remote-debuginfo, and podman-tests.

What types of security impact are addressed?

The fixes address denial-of-service issues in Go net/mail, encoding/asn1, net/url, crypto/tls, and encoding/xml. They also address a cross-site scripting issue in Go html/template.

Which inputs or protocol behaviors are implicated by the fixes?

The listed issues involve pathological email-address parsing, excessive ASN.1 unmarshalling recursion, quadratic URL path resolution, pathological HTML template input, indefinite TLS KeyUpdate messages, and recursive XML decoding.

RHSA-2026:98447: Important: podman security update

Affected Software

Remediation

Event History

Frequently Asked Questions

Which Podman-related packages are covered by this update?

What types of security impact are addressed?

Which inputs or protocol behaviors are implicated by the fixes?

Company

Resources

Contact

Frequently Asked Questions

Which Podman-related packages are covered by this update?

What types of security impact are addressed?

Which inputs or protocol behaviors are implicated by the fixes?