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Fencer Vulns
medium 6.9

CVE-2026-66054 json

Apache Thrift: C++ THeaderTransport does not enforce configured maxFrameSize

published 2026-10-02 37 d ago modified 2026-10-09 30 d ago also BIT-thrift-2026-66054 , EUVD-2026-91630

cvss
6.9
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

Allocation of Resources Without Limits or Throttling, Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++ bindings.

This issue affects Apache Thrift: before 0.25.0.

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

Patch / fix

  • bitnami thrift 0.25.0
  • Apache Software Foundation Apache Thrift 0.25.0
  • thrift hummingbird 1 0.25.0-0.1.hum1
  • thrift-qt hummingbird 1 0.25.0-0.1.hum1
  • perl-thrift hummingbird 1 0.25.0-0.1.hum1
  • thrift-glib hummingbird 1 0.25.0-0.1.hum1
  • python3-thrift hummingbird 1 0.25.0-0.1.hum1

red hat advisories RHSA-2026:74369

  • thrift Azure Linux 3.0 0.25.0-1

azure linux advisories AZL-105938

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-66054 updated cvss 7.5

thrift: thrift: Denial of Service via improper handling of compressed data

  • Red Hat Ceph Storage 7 thrift Red Hat Ceph Storage 8 thrift, thrift-qt, perl-thrift, thrift-glib, python3-thrift Red Hat Ceph Storage 9 thrift Red Hat Enterprise Linux AI (RHEL AI) 3 thrift
    affected: workaround, no fix available
  • Red Hat Hardened Images thrift 0.25.0-0.1.hum1, thrift-qt 0.25.0-0.1.hum1, perl-thrift 0.25.0-0.1.hum1, thrift-glib 0.25.0-0.1.hum1, python3-thrift 0.25.0-0.1.hum1
    fixed: vendor fix RHSA-2026:74369

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
37 d ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected packages

ecosystem package affected fixed in
bitnami thrift
<0.25.0
0.25.0

Affected products

  • Apache Software Foundation Apache Thrift

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.