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TI-2026-40373 Aliases CVE-2026-55971GHSA-gwj4-q93m-wwqc

Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()

Priority MEDIUM 50CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.

Summary

Heap-based Buffer Overflow vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00979 62nd percentileScored 2026-11-07
Fix Fixed Apache Thrift (Apache Software Foundation): 0.24.0Red Hat: 9 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Thriftbefore 0.24.00.24.0Patch availableCNA
  • Apache Thrift VendorApache Affected before 0.24.0 Fixed in 0.24.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*before 0.24.0VulnerableApache
  • cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:* Versions before 0.24.0 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Thrift (Apache Software Foundation) Fixed in 0.24.0

Red Hat 9 advisories

  • RHSA-2026:74674 Released 2026-10-01 · Red Hat rating Important
    Red Hat AI Base Images 3.4.3 (Neuron)
    • Red Hat OpenShift AI 3.4 registry.redhat.io/rhai/base-image-neuron-rhel9
  • RHSA-2026:59396 Released 2026-08-25 · Red Hat rating Important
    RHEL AI 3.3 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.3 for RHEL 9 perl-thrift-1:0.15.0-7.el9ai, python3-thrift-1:0.15.0-7.el9ai, thrift-1:0.15.0-7.el9ai +3
  • RHSA-2026:59395 Released 2026-08-25 · Red Hat rating Important
    RHEL AI 3.4 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.4 for RHEL 9 perl-thrift-1:0.15.0-7.el9ai, python3-thrift-1:0.15.0-7.el9ai, thrift-1:0.15.0-7.el9ai +3
Show 6 more Red Hat advisories
  • RHSA-2026:52831 Released 2026-08-10 · Red Hat rating Important
    RHEL AI 3.3 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.3 for RHEL 9 perl-thrift-1:0.15.0-6.el9ai, python3-thrift-1:0.15.0-6.el9ai, thrift-1:0.15.0-6.el9ai +3
  • RHSA-2026:52829 Released 2026-08-10 · Red Hat rating Important
    RHEL AI 3.4 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.4 for RHEL 9 perl-thrift-1:0.15.0-6.el9ai, python3-thrift-1:0.15.0-6.el9ai, thrift-1:0.15.0-6.el9ai +3
  • RHSA-2026:51358 Released 2026-08-06 · Red Hat rating Important
    RHEL AI 3.6 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.6 for RHEL 9 perl-thrift-0.24.0-2.el9ai, python3-thrift-0.24.0-2.el9ai, thrift-0.24.0-2.el9ai +3
  • RHSA-2026:49837 Released 2026-08-03 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images perl-thrift-0.24.0-0.1.hum1@noarch@public-hummingbird-aarch64-rpms, perl-thrift-0.24.0-0.1.hum1@noarch@public-hummingbird-x86_64-rpms, python3-thrift-0.24.0-0.1.hum1@aarch64 +10
  • RHSA-2026:49715 Released 2026-08-03 · Red Hat rating Important
    RHEL AI 3.5 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.5 for RHEL 9 perl-thrift-0.24.0-1.el9ai, python3-thrift-0.24.0-1.el9ai, thrift-0.24.0-1.el9ai +3
  • RHSA-2026:49716 Released 2026-08-03 · Red Hat rating Important
    RHEL AI 3.4 RPM runtime CVE fix - thrift
    • Red Hat Enterprise Linux AI 3.4 for RHEL 9 perl-thrift-0.24.0-1.el9ai, python3-thrift-0.24.0-1.el9ai, thrift-0.24.0-1.el9ai +3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Apache Thrift — lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9

    15 records Highest priority Priority MEDIUM 10 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-42227 Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypassPriority MEDIUM 46
    • TI-2026-42014 Apache Thrift: Rust binary protocol non-strict path missing string size limitPriority MEDIUM 46
    • TI-2026-40371 Integer overflow in Apache ThriftPriority MEDIUM 46
    Show all 15 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AI 3.3 for RHEL 9Fixed RHSA-2026:52831, RHSA-2026:59396
Red Hat Enterprise Linux AI 3.4 for RHEL 9Fixed RHSA-2026:52829, RHSA-2026:59395
Red Hat Enterprise Linux AI 3.5 for RHEL 9Fixed RHSA-2026:49715
Red Hat Enterprise Linux AI 3.6 for RHEL 9Fixed RHSA-2026:51358
Red Hat Hardened ImagesFixed RHSA-2026:49837
Red Hat OpenShift AI 3.4Fixed RHSA-2026:74674
Not affected: 8 products
  • Confidential Compute Attestation
  • Red Hat Data Grid 8
  • Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat OpenShift AI (RHOAI)
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 5
  • Red Hat OpenShift Update Service
  • Red Hat build of Apache Camel 4 for Quarkus 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-55971
  2. 2026-10-03 Alias added: GHSA-gwj4-q93m-wwqc
  3. 2026-10-30 Affected versions changed · Red Hat
  4. 2026-11-01 Affected versions changed · Red Hat
  5. 2026-11-06 Fix available: Red Hat Enterprise Linux AI 3.3 for RHEL 9, Red Hat Enterprise Linux AI 3.4 for RHEL 9 · Red Hat
  6. 2026-11-06 Fix available: RHSA-2026:59395 · Red Hat
  7. 2026-11-06 Fix available: RHSA-2026:52831 · Red Hat
  8. 2026-11-06 Fix available: RHSA-2026:52829 · Red Hat
  9. 2026-11-06 Fix available: RHSA-2026:59396 · Red Hat

References

Advisory 3

  • TI-2016-04675 Command injection in Apache Thrift CVSS 3.0HIGH 8.8
  • TI-2026-42227 Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypass CVSS 4.0HIGH 8.7
  • TI-2026-42014 Apache Thrift: Rust binary protocol non-strict path missing string size limit CVSS 4.0HIGH 8.7
  • TI-2026-40371 Integer overflow in Apache Thrift CVSS 4.0HIGH 8.7
  • TI-2026-40370 Apache Thrift: Node.js quadratic-time DoS in server receive transports CVSS 4.0HIGH 8.7
  • TI-2026-35942 Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift… CVSS 4.0HIGH 8.7
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences