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): * runc: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881) * golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183) 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
The advisory addresses two security flaws in podman and its dependencies. CVE-2025-52881 is a vulnerability in runc that allows container escape and denial of service via arbitrary write gadgets and procfs write redirects. CVE-2025-58183 is a golang archive/tar vulnerability causing unbounded memory allocation when parsing GNU sparse maps, potentially leading to denial of service. These issues affect Red Hat Enterprise Linux 9.4 Extended Update Support podman packages before version 9.4.5. Red Hat has released updated packages to fix these vulnerabilities as detailed in advisory RHSA-2026:0424.
Potential Impact
Successful exploitation of CVE-2025-52881 could allow an attacker to escape container isolation and cause denial of service on the host system. CVE-2025-58183 could lead to denial of service due to unbounded memory allocation during archive processing. Both vulnerabilities pose significant risks to containerized environments running affected versions of podman on Red Hat Enterprise Linux 9.4 Extended Update Support.
Mitigation Recommendations
Red Hat has released updated podman packages that address these vulnerabilities. Users should apply the update to podman version 4.9.4-19.el9_4.5 or later for Red Hat Enterprise Linux 9.4 Extended Update Support as described in Red Hat advisory RHSA-2026:0424. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying the official update.
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): * runc: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881) * golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183) 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
The advisory addresses two security flaws in podman and its dependencies. CVE-2025-52881 is a vulnerability in runc that allows container escape and denial of service via arbitrary write gadgets and procfs write redirects. CVE-2025-58183 is a golang archive/tar vulnerability causing unbounded memory allocation when parsing GNU sparse maps, potentially leading to denial of service. These issues affect Red Hat Enterprise Linux 9.4 Extended Update Support podman packages before version 9.4.5. Red Hat has released updated packages to fix these vulnerabilities as detailed in advisory RHSA-2026:0424.
Potential Impact
Successful exploitation of CVE-2025-52881 could allow an attacker to escape container isolation and cause denial of service on the host system. CVE-2025-58183 could lead to denial of service due to unbounded memory allocation during archive processing. Both vulnerabilities pose significant risks to containerized environments running affected versions of podman on Red Hat Enterprise Linux 9.4 Extended Update Support.
Mitigation Recommendations
Red Hat has released updated podman packages that address these vulnerabilities. Users should apply the update to podman version 4.9.4-19.el9_4.5 or later for Red Hat Enterprise Linux 9.4 Extended Update Support as described in Red Hat advisory RHSA-2026:0424. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:0424
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-58183"]
Threat ID: 6a160978e29bf47b50644658
Added to database: 05/26/2026, 20:58:32 UTC
Last enriched: 08/14/2026, 21:57:07 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 133
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