Infinite Loop Vulnerability in Apache Thrift Bindings for Python, Go, PHP, and Java
CVE-2026-43871

8.7HIGH

Key Information:

Vendor

Apache
Status
Apache Thrift
Vendor
CVE Published:
27 July 2026

What is CVE-2026-43871?

An infinite loop vulnerability exists within the Apache Thrift bindings for Python, Go, PHP, and Java, specifically affecting versions prior to 0.24.0. This flaw allows malicious users to create conditions that prevent program termination, potentially leading to resource exhaustion and denial of service. It is highly recommended that users upgrade to version 0.24.0 or later to mitigate this issue and secure their applications.

Affected Version(s)

Apache Thrift 0 < 0.24.0

Apache Thrift 0 < 0.24.0

Apache Thrift 0 < 0.24.0

References

https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb...
vendor-advisory
https://lists.apache.org/thread/l4dwf14zbyqsmkc28c99ojj3t...
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yu Bao - yubao@paypal.com, who works for paypal.com
.