Red Hat Security Advisory: OpenShift Container Platform 4.14.70 bug fix and security update
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 4.14.70. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2026:43251 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/4.14/html/release_notes/ Security Fix(es): * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width (CVE-2026-5450) * openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key (CVE-2026-31790) 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 4.14 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/4.14/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
The vulnerability CVE-2026-5450 in glibc involves a heap buffer overflow triggered by the scanf function when used with the %mc format specifier and a large width value. This flaw could potentially lead to memory corruption. Red Hat has released security advisories and updates for various Red Hat Enterprise Linux versions (notably 8, 9.2, 10, and related CodeReady Linux Builder and OpenShift products) that include patches to fix this issue. The advisories confirm the availability of updated glibc packages that remediate this vulnerability.
Potential Impact
The heap buffer overflow in glibc's scanf with %mc format specifier may lead to memory corruption, which could affect the stability or security of affected systems. Red Hat rates the security impact as Moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released official security updates that fix this vulnerability. Users should apply the provided glibc package updates for their respective Red Hat Enterprise Linux versions and related products as detailed in the Red Hat advisories (RHSA-2026:33231 and RHSA-2026:33092). For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying these official patches.
Red Hat Security Advisory: OpenShift Container Platform 4.14.70 bug fix and security update
Description
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 4.14.70. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2026:43251 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/4.14/html/release_notes/ Security Fix(es): * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width (CVE-2026-5450) * openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key (CVE-2026-31790) 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 4.14 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/4.14/html-single/updating_clusters/index#updating-cluster-cli.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-5450 in glibc involves a heap buffer overflow triggered by the scanf function when used with the %mc format specifier and a large width value. This flaw could potentially lead to memory corruption. Red Hat has released security advisories and updates for various Red Hat Enterprise Linux versions (notably 8, 9.2, 10, and related CodeReady Linux Builder and OpenShift products) that include patches to fix this issue. The advisories confirm the availability of updated glibc packages that remediate this vulnerability.
Potential Impact
The heap buffer overflow in glibc's scanf with %mc format specifier may lead to memory corruption, which could affect the stability or security of affected systems. Red Hat rates the security impact as Moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released official security updates that fix this vulnerability. Users should apply the provided glibc package updates for their respective Red Hat Enterprise Linux versions and related products as detailed in the Red Hat advisories (RHSA-2026:33231 and RHSA-2026:33092). For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying these official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:33227
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a42ed1327e9c79719930e0b
Added to database: 06/29/2026, 22:09:23 UTC
Last enriched: 08/09/2026, 16:16:42 UTC
Last updated: 08/14/2026, 00:41:13 UTC
Views: 165
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.