CVE-2026-94654

Apache Thrift: Python `TNonblockingServer` busy-loops and stops selecting all fds after an 8192-byte-boundary frame

State: Published
Severity: 8.2 High
Published: Oct 2, 2026
Updated: Oct 2, 2026
Reserved: Sep 21, 2026

Description

Loop with unreachable exit condition ('infinite loop') vulnerability in Apache Thrift python bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Scores

CVSS	Score	Vector	Source
4.0	8.2 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	apache

Weaknesses

CWE-835 Loop with unreachable exit condition ('infinite loop')

Affected Products

Product	Versions
Apache ThriftApache Software Foundation	before 0.25.0Affected

References

https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1vendor-advisory
https://lists.apache.org/thread/kx3xdttoypl8j4dcxmqbq9dwy1w0kr7jvendor-advisory

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