CVE-2026-94636: Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up

Published Oct 2, 2026
·
Updated

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

Other sources

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.

— NVD

Affected Software

3 affected componentsFixes available
Apache Thrift<0.25.0
Microsoft azl3 thrift 0.24.0-1<0.25.0-1
0.25.0-1
IBM Process Mining<=2.0.0 - 2.2.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 0.25.0-1
  2. Upgrade

    Upgrade Apache Thrift Python bindings to a version that resolves this vulnerability.

    Fixed in 0.25.0

Event History

Oct 2, 2026
CVE Published
via MITRE·11:47 AM
Data Sourced
via MITRE·11:47 AM
DescriptionWeakness
Data Sourced
via NVD·12:17 PM
DescriptionSeverityWeakness
Oct 3, 2026
Data Sourced
via Microsoft·08:05 AM
DescriptionSeverityWeaknessAffected Software
Oct 30, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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