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TI-2026-65951 Aliases CVE-2026-94636GHSA-25j2-4rc9-8hj6

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

Priority LOW 35CWE-1284Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00277 20th percentileScored 2026-11-07
Fix Fixed Apache Thrift (Apache Software Foundation): 0.25.0Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 0.25.00.25.0Patch availableCNA
  • Apache Thrift VendorApache Affected before 0.25.0 Fixed in 0.25.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*——Apache
  • cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:* Versions — — ·Apache

Remediation

  • Fix · CNA Apache Thrift (Apache Software Foundation) Fixed in 0.25.0

Red Hat 1 advisory

  • RHSA-2026:74369 Released 2026-10-01 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images perl-thrift-0.25.0-0.1.hum1@noarch@public-hummingbird-aarch64-rpms, perl-thrift-0.25.0-0.1.hum1@noarch@public-hummingbird-x86_64-rpms, python3-thrift-0.25.0-0.1.hum1@aarch64 +10

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/33otcgbqd27wf6qq810q56znzbomnhg1

    61 records Highest priority Priority MEDIUM 31 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2026-65915 Apache Thrift: PHP `thrift_protocol` accelerator: zero-byte container elementsPriority MEDIUM 45
    • TI-2026-65974 Apache Thrift: Ruby `SimpleServer` ends `serve()` on any non-Transport/Protocol exceptionPriority MEDIUM 44
    • TI-2026-65968 Apache Thrift: Lua `TFramedTransport`/`THttpTransport` re-slice the buffer on every read (quadratic)Priority MEDIUM 44
    Show all 61 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Hardened ImagesFixed RHSA-2026:74369

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-94636
  2. 2026-10-03 Alias added: GHSA-25j2-4rc9-8hj6
  3. 2026-10-21 Fix available: RHSA-2026:74369 · Red Hat
  4. 2026-10-21 Fix available: Red Hat Hardened Images · Red Hat
  5. 2026-10-21 CVSS score added · Red Hat

References

Advisory 2

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2024-30292 Apache OFBiz: Confused controller-view authorization logic (forced browsing) KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26062 Apache OFBiz: Unauthenticated endpoint could allow execution of screen rendering code KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-21190 Apache OFBiz: Path traversal leading to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18186 Apache HugeGraph-Server: Command execution in gremlin KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
See all 4053 →

Sources

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