CVE-2026-94636

Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up

Published Oct 2, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Description
Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.



This issue affects Apache Thrift: before 0.25.0.



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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache thrift
Vendors & Products Apache
Apache thrift
Type Values Removed Values Added
Description Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Title Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up
Weaknesses CWE-1284
CWE-409
CWE-628
References
Metrics cvssV4_0

{'score': 8.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 2, 2026, 5:32 PM
Reserved
Sep 21, 2026, 10:41 PM
Status
Deferred
Published
Oct 2, 2026, 12:17 PM
Modified
Oct 2, 2026, 6:17 PM