Red Hat Security Advisory: podman security update
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/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) * github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986) 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.
AI Analysis
Technical Summary
This Red Hat security advisory addresses two vulnerabilities affecting podman, a container management tool. The first vulnerability (CVE-2026-25679) involves incorrect parsing of IPv6 host literals in the net/url package, which could lead to unexpected behavior. The second vulnerability (CVE-2026-34986) is a denial of service issue in the Go JOSE library (versions v3 and v4) triggered by crafted JSON Web Encryption (JWE) objects. The advisory applies to Red Hat Enterprise Linux 10 and associated CodeReady Linux Builder versions. Red Hat has released updated podman packages (version 5.8.2-1.el10_2) to address these issues. No CVSS scores are provided in the advisory, but the impact is rated as Important.
Potential Impact
The vulnerabilities could allow denial of service conditions via crafted inputs: incorrect IPv6 parsing may cause unexpected failures or disruptions, and the Go JOSE vulnerability allows denial of service through maliciously crafted JWE objects. These issues affect container management operations in podman, potentially impacting containerized environments relying on this tool. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated podman packages that fix these vulnerabilities. Users should apply the podman update to version 5.8.2-1.el10_2 or later as provided in Red Hat Enterprise Linux 10 and related CodeReady Linux Builder distributions. Refer to the Red Hat advisory RHSA-2026:19017 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps. No additional mitigation actions are indicated by the vendor.
Red Hat Security Advisory: podman security update
Description
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/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) * github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986) 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
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory addresses two vulnerabilities affecting podman, a container management tool. The first vulnerability (CVE-2026-25679) involves incorrect parsing of IPv6 host literals in the net/url package, which could lead to unexpected behavior. The second vulnerability (CVE-2026-34986) is a denial of service issue in the Go JOSE library (versions v3 and v4) triggered by crafted JSON Web Encryption (JWE) objects. The advisory applies to Red Hat Enterprise Linux 10 and associated CodeReady Linux Builder versions. Red Hat has released updated podman packages (version 5.8.2-1.el10_2) to address these issues. No CVSS scores are provided in the advisory, but the impact is rated as Important.
Potential Impact
The vulnerabilities could allow denial of service conditions via crafted inputs: incorrect IPv6 parsing may cause unexpected failures or disruptions, and the Go JOSE vulnerability allows denial of service through maliciously crafted JWE objects. These issues affect container management operations in podman, potentially impacting containerized environments relying on this tool. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated podman packages that fix these vulnerabilities. Users should apply the podman update to version 5.8.2-1.el10_2 or later as provided in Red Hat Enterprise Linux 10 and related CodeReady Linux Builder distributions. Refer to the Red Hat advisory RHSA-2026:19017 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps. No additional mitigation actions are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:19017
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-34986"]
- State
- PUBLISHED
Threat ID: 6a16095be29bf47b506237d5
Added to database: 05/26/2026, 20:58:03 UTC
Last enriched: 08/14/2026, 19:14:31 UTC
Last updated: 09/15/2026, 02:06:33 UTC
Views: 141
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