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

[Jens Geyer <jensg () apache org>]

Severity: 

Affected versions:

- Apache Thrift (thrift) before 0.24.0
- Apache Thrift (github.com/apache/thrift) before 0.24.0
- Apache Thrift (apache/thrift) before 0.24.0
- Apache Thrift (org.apache.thrift:libthrift) before 0.24.0

Description:

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.

Credit:

Yu Bao - yubao () paypal com, who works for paypal.com (finder)

References:

https://thrift.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-43871