CVE-2026-43871 HIGH

CVE-2026-43871: Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: TCompactProtocol varint byte-count limit

Vendor Apache Software Foundation
Product Apache Thrift
Weakness CWE-835
Published July 27, 2026
Last update July 27, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache Thrift Python, Go, PHP and Java bindings.This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Key dates

02Disclosure timeline

July 27, 2026 CVE published
July 27, 2026 Record updated