CVE-2026-55969: Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: integer overflow in TProtocol::checkReadBytesAvailable()

Published Jul 24, 2026
·
Updated

Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: integer overflow in TProtocol::checkReadBytesAvailable()

Other sources

Integer Overflow or Wraparound vulnerability in Apache Thrift C++, cglib, Go, netstd, Delphi and Haxe bindings.

This issue affects Apache Thrift: before 0.24.0.

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

NVD

Affected Software

4 affected componentsFixes available
Apache Thrift<0.24.0
Apache Thrift<0.24.0
Microsoft azl3 vitess 19.0.4-12<19.0.4-12
19.0.4-12
Microsoft azl3 thrift 0.15.0-6<0.24.0-1
0.24.0-1

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 19.0.4-12
  2. Upgrade

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

    Fixed in 0.24.0-1
  3. Upgrade

    Upgrade apache/thrift to a version that resolves this vulnerability.

    Fixed in 0.24.0Patch CVE-2026-55969

Event History

Jul 27, 2026
CVE Published
via MITRE·11:07 AM
Data Sourced
via MITRE·11:07 AM
DescriptionWeakness
Data Sourced
via NVD·12:16 PM
DescriptionSeverityWeaknessAffected Software
Aug 7, 2026
Data Sourced
via Microsoft·08:21 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:21 AM
SeverityAffected Software
Updated
via Microsoft·08:21 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2026-55969?

CVE-2026-55969 has been classified with a medium severity score due to the potential for exploitation leading to a denial of service.

2

How do I fix CVE-2026-55969?

To fix CVE-2026-55969, update your Apache Thrift installation to the latest available version that addresses this vulnerability.

3

What systems are affected by CVE-2026-55969?

CVE-2026-55969 affects multiple versions of Apache Thrift prior to the patch release that resolves the integer overflow issue.

4

What type of vulnerability is CVE-2026-55969?

CVE-2026-55969 is an integer overflow vulnerability in the TProtocol::checkadBytesAvailable() method.

5

What are the potential impacts of CVE-2026-55969?

The potential impacts of CVE-2026-55969 include denial of service attacks, which could disrupt normal functioning of applications using affected versions of Apache Thrift.

Contact

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