Medium [CVE-2026-58023] Information disclosure and denial of service due to out-of-bounds read
This medium-severity Red Hat Linux advisory covers CVE-2026-58023 affecting Confidential Compute Attestation, Red Hat OpenShift Container Platform 4, Red Hat OpenShift Update Service.
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Summary
Out-of-bounds Read vulnerability in Apache Thrift c_glib bindings. This issue affects Apache Thrift: before 0.24.0.
Users are recommended to upgrade to version 0.24.0, which fixes the issue. This out-of-bounds read vulnerability allows an attacker to potentially access sensitive information or cause a denial of service.
The vulnerability occurs when the software attempts to read data beyond the allocated memory buffer. Red Hat products such as OpenShift Container Platform, Red Hat OpenShift Update Service, and Confidential Compute Attestation are affected where they utilize vulnerable versions of Apache Thrift.
Red Hat Enterprise Linux AI is not affected as the vulnerable code is not present. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).
Weakness: CWE-125. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat OpenShift Container Platform 4.
- < 0.24.0
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation
Upgrade to a fixed release: 0.24.0. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
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