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CVE-2026-83663: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Thrift

0
High
VulnerabilityCVE-2026-83663cvecve-2026-83663cwe-674
Published: 10/02/2026 (10/02/2026, 12:18:16 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Thrift

Description

CVE-2026-83663 is an uncontrolled recursion vulnerability in the Go bindings of Apache Thrift before version 0.25.0. The issue arises when the Go transports read a buffered frame yielding no payload bytes and recursively call Read again without looping, leading to unbounded recursion. This causes the Go stack limit to be reached, resulting in a fatal error that terminates the process. The vulnerability is fixed in Apache Thrift version 0.25.0.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected software

Apache Software Foundation

Apache Thrift

Affected versions
>=0 <0.25.0
GitHub Actionsmore threats →cve
github.com/apache/thrift
pkg:github/github.com/apache/thrift
Affected versions
>=0 <0.25.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/02/2026, 13:16:03 UTC

Technical Analysis

The vulnerability in Apache Thrift Go bindings involves uncontrolled recursion when reading frames with no payload bytes. Both Go transports read out a buffered frame and, if the frame yields no payload bytes, they recursively call Read instead of looping. A peer can produce such frames with zero declared size or a header block that fills the frame, causing unbounded recursion. This leads to the Go runtime stack limit being exceeded, causing a fatal error that crashes the process. The issue affects Apache Thrift versions before 0.25.0 and is resolved in version 0.25.0.

Potential Impact

Exploitation of this vulnerability causes the affected Apache Thrift Go process to crash due to a fatal stack overflow error. This results in denial of service as the process terminates unexpectedly. There is no indication of code execution or data compromise from the provided information.

Mitigation Recommendations

Users should upgrade Apache Thrift to version 0.25.0 or later, where this uncontrolled recursion issue is fixed. No other mitigation is indicated or required according to the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-08-31T22:35:52.669Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6abfab3ca43b0b3b89bc8cfb

Added to database: 10/02/2026, 13:01:48 UTC

Last enriched: 10/02/2026, 13:16:03 UTC

Last updated: 10/02/2026, 14:01:37 UTC

Views: 4

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