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HIGH

CVE-2026-55969

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

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

none

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • thriftBitnamiall versions · fixed in 0.24.0

Vendor advisories

  • CVE-2026-55969 Red Hat Product Security164 products fixed · 27 known affected

    thrift: github.com/apache/thrift: Apache Thrift: Denial of Service via integer overflow or wraparound

    openshift-sandboxed-containers/osc-podvm-payload-rhel9 as a component of Confidential Compute Attestation · rhaii/model-opt-cuda-rhel9 as a component of Red Hat AI Inference Server · rhaii/vllm-cpu-rhel9 as a component of Red Hat AI Inference Server

  • RHSA-2026:84734 Red Hat Product Security20 products fixed

    Red Hat Security Advisory: RHOAI 3.4.5 - Red Hat OpenShift AI

  • RHSA-2026:76043 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.3.7 security update

  • RHSA-2026:76041 Red Hat Product Security7 products fixed

    Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.3.7 security update

  • RHSA-2026:73987 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: RHOAI 3.3.7 - Red Hat OpenShift AI

  • RHSA-2026:72880 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.16.6 security update

49 more advisories

Full record on NVD

Description

Integer Overflow or Wraparound vulnerability in Apache Thrift C++, c_glib, 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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-07-27
Last Modified
2026-07-27

Frequently asked questions

What is CVE-2026-55969?

Integer Overflow or Wraparound vulnerability in Apache Thrift C++, c_glib, 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.

Is CVE-2026-55969 actively exploited?

Active exploitation of CVE-2026-55969 has not been confirmed. Its EPSS score was 1.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-55969?

CVE-2026-55969 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Same product first, then the same vendor advisory and the same publication week.

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