Medium [CVE-2026-55970] Apache Thrift C++ bindings: Information disclosure due to buffer over-read vulnerability
This medium-severity Red Hat Linux advisory covers CVE-2026-55970 affecting Red Hat Hardened Images, Confidential Compute Attestation, Red Hat AI Inference Server.
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Summary
Buffer Over-read vulnerability in Apache Thrift C++ 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 buffer over-read vulnerability allows a remote attacker to read beyond the intended memory boundaries.
This could lead to the disclosure of sensitive information or cause the application to become unavailable. Red Hat products utilizing affected versions of Apache Thrift, such as Red Hat Enterprise Linux AI, OpenShift Container Platform, and Red Hat OpenShift AI, may be susceptible if processing untrusted data with Thrift client applications.
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.
Affected Red Hat products: Red Hat Hardened Images; Confidential Compute Attestation; Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI); Red Hat OpenShift Container Platform 4; Red Hat OpenShift Update Service. Red Hat fixing advisory: RHSA-2026:49837.
- < 0.24.0
Official advisory · high-confidence parse· fetched 27 days ago·verify at source
- 0.24.0
- thrift-main-0.24.0-0.1.hum1
- RHSA-2026:49837
Official advisory · high-confidence parse· fetched 27 days ago·verify at source
Mitigation
Upgrade to a fixed release: 0.24.0, thrift-main-0.24.0-0.1.hum1, RHSA-2026:49837. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 27 days ago·verify at source
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