RHSA-2026:5873

Vulnerability from csaf_redhat - Published: 2026-04-02 14:11 - Updated: 2026-04-09 23:07
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.16.59 bug fix and security update
Severity
Moderate
Notes
Topic: Red Hat OpenShift Container Platform release 4.16.59 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.16.59. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2026:5872 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/ Security Fix(es): * nfs-utils: rpc.mountd in the nfs-utils privilege escalation (CVE-2025-12801) * openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing (CVE-2025-69419) 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. All OpenShift Container Platform 4.16 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2025-12801

A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.

6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-279 - Incorrect Execution-Assigned Permissions
Vendor Fix For OpenShift Container Platform 4.16 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/ You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags. The sha values for the release are as follows: (For x86_64 architecture) The image digest is sha256:f2f70544d0d62fbf00d94cba09e89ca5bbf44169490ec86ff1f4f48ccf6401e1 (For s390x architecture) The image digest is sha256:d93e0cf6a690edb5b57d06044af75645ee966bf2a329b32979f62923afece8d9 (For ppc64le architecture) The image digest is sha256:4fe2d116fc96fd0713486b4f199cbccd8fb10fd196c09926717fcc99fe4cd914 (For aarch64 architecture) The image digest is sha256:ea723d901035177236056cfbb6341a431d65f7ef56c360fdc021bd47aab24810 All OpenShift Container Platform 4.16 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli. https://access.redhat.com/errata/RHSA-2026:5873
Workaround Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVE-2025-69419

A flaw was found in OpenSSL. When processing a specially crafted PKCS#12 (Personal Information Exchange Syntax Standard) file, a remote attacker can exploit an out-of-bounds write vulnerability. This issue, occurring within the OPENSSL_uni2utf8() function, leads to memory corruption by writing data beyond its allocated buffer. Successful exploitation could result in a denial of service or potentially allow for arbitrary code execution.

7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-131 - Incorrect Calculation of Buffer Size
Vendor Fix For OpenShift Container Platform 4.16 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/ You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags. The sha values for the release are as follows: (For x86_64 architecture) The image digest is sha256:f2f70544d0d62fbf00d94cba09e89ca5bbf44169490ec86ff1f4f48ccf6401e1 (For s390x architecture) The image digest is sha256:d93e0cf6a690edb5b57d06044af75645ee966bf2a329b32979f62923afece8d9 (For ppc64le architecture) The image digest is sha256:4fe2d116fc96fd0713486b4f199cbccd8fb10fd196c09926717fcc99fe4cd914 (For aarch64 architecture) The image digest is sha256:ea723d901035177236056cfbb6341a431d65f7ef56c360fdc021bd47aab24810 All OpenShift Container Platform 4.16 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli. https://access.redhat.com/errata/RHSA-2026:5873
Workaround To mitigate this vulnerability, Red Hat recommends avoiding the processing of PKCS#12 files from untrusted or unverified sources. Applications that use the `PKCS12_get_friendlyname()` API should ensure that PKCS#12 files are only processed if they originate from trusted entities. Restricting the input sources for PKCS#12 files can significantly reduce the attack surface for this flaw.
References
Acknowledgments
Simon Hall
To clipboard 

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            "baseScore": 6.5,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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        {
          "category": "description",
          "text": "A flaw was found in OpenSSL. When processing a specially crafted PKCS#12 (Personal Information Exchange Syntax Standard) file, a remote attacker can exploit an out-of-bounds write vulnerability. This issue, occurring within the OPENSSL_uni2utf8() function, leads to memory corruption by writing data beyond its allocated buffer. Successful exploitation could result in a denial of service or potentially allow for arbitrary code execution.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated Moderate for Red Hat. An out-of-bounds write in OpenSSL\u0027s PKCS12_get_friendlyname() function can lead to denial of service or arbitrary code execution. Exploitation requires an application to parse a specially crafted malicious PKCS#12 file. Red Hat FIPS modules are not affected as the PKCS#12 implementation is outside the FIPS module boundary.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "9Base-RHOSE-4.16:rhcos-aarch64-416.94.202603231244-0",
          "9Base-RHOSE-4.16:rhcos-ppc64le-416.94.202603231244-0",
          "9Base-RHOSE-4.16:rhcos-s390x-416.94.202603231244-0",
          "9Base-RHOSE-4.16:rhcos-x86_64-416.94.202603231244-0"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-69419"
        },
        {
          "category": "external",
          "summary": "RHBZ#2430386",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430386"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-69419",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-69419"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-69419",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-69419"
        }
      ],
      "release_date": "2026-01-27T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-02T14:11:18+00:00",
          "details": "For OpenShift Container Platform 4.16 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n      (For x86_64 architecture)\n      The image digest is sha256:f2f70544d0d62fbf00d94cba09e89ca5bbf44169490ec86ff1f4f48ccf6401e1\n\n      (For s390x architecture)\n      The image digest is sha256:d93e0cf6a690edb5b57d06044af75645ee966bf2a329b32979f62923afece8d9\n\n      (For ppc64le architecture)\n      The image digest is sha256:4fe2d116fc96fd0713486b4f199cbccd8fb10fd196c09926717fcc99fe4cd914\n\n      (For aarch64 architecture)\n      The image digest is sha256:ea723d901035177236056cfbb6341a431d65f7ef56c360fdc021bd47aab24810\n\nAll OpenShift Container Platform 4.16 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli.",
          "product_ids": [
            "9Base-RHOSE-4.16:rhcos-aarch64-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-ppc64le-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-s390x-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-x86_64-416.94.202603231244-0"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:5873"
        },
        {
          "category": "workaround",
          "details": "To mitigate this vulnerability, Red Hat recommends avoiding the processing of PKCS#12 files from untrusted or unverified sources. Applications that use the `PKCS12_get_friendlyname()` API should ensure that PKCS#12 files are only processed if they originate from trusted entities. Restricting the input sources for PKCS#12 files can significantly reduce the attack surface for this flaw.",
          "product_ids": [
            "9Base-RHOSE-4.16:rhcos-aarch64-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-ppc64le-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-s390x-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-x86_64-416.94.202603231244-0"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "9Base-RHOSE-4.16:rhcos-aarch64-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-ppc64le-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-s390x-416.94.202603231244-0",
            "9Base-RHOSE-4.16:rhcos-x86_64-416.94.202603231244-0"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing"
    }
  ]
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.