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Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-49158] Apache Thrift Ruby bindings: Denial of Service via improper handling of highly compressed data

This high-severity Red Hat Linux advisory covers CVE-2026-49158 affecting Confidential Compute Attestation, Red Hat OpenShift Container Platform 4.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-49158 Source published Source updated

VulniPulse record published Record updated

Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings. This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue. By sending specially crafted highly compressed data, an attacker can exhaust system resources, making the service unavailable to legitimate users.

This Important vulnerability in Apache Thrift Ruby bindings could allow a remote, unauthenticated attacker to trigger a denial of service.

By sending specially crafted compressed data, an attacker can cause excessive resource consumption, leading to service unavailability in affected Red Hat products that utilize these bindings, such as OpenShift Container Platform components. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-409. Affected Red Hat products: Confidential Compute Attestation; Red Hat OpenShift Container Platform 4.

Red Hat lists Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift Container Platform 4; Red Hat OpenShift Update Service as not affected. Red Hat does not currently list a fixing RHSA for this CVE.

Affected versions
  • < 0.24.0

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Fixed versions
  • 0.24.0

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • 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.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

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