CVE Database›Document archive›CVE-2026-94637

CVE-2026-94637

github.com/apache/thrift: Apache Thrift: Denial of Service via improper handling of compressed data

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · October 2, 2026

Updated · November 5, 2026

Description

A flaw was found in the Apache Thrift Go library. A remote attacker could exploit this vulnerability by submitting specially crafted, highly compressed data to an affected service. Due to improper handling during decompression, the resulting data amplification can exhaust system resources, leading to a Denial of Service (DoS).

Statement

This flaw has an Important impact because a remote attacker can send crafted ZLIB-transformed frames to an affected Go Apache Thrift service, causing resource exhaustion and denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

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.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-409 · Improper Handling of Highly Compressed Data (Data Amplification)