CVE-2026-41608

Apache Thrift: Unbounded Zlib Decompression in Python THeaderTransport

State: Published
Severity: 7.5 High
Published: Jul 27, 2026
Updated: Jul 28, 2026
Reserved: Apr 21, 2026

Description

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Python bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)

Affected Products

Product	Versions
Apache ThriftApache Software Foundation	before 0.24.0Affected

References

https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9vendor-advisory
https://lists.apache.org/thread/vwsbcwqdpwdtp8qkjo11ol6rodbfm21fvendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/24/32

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