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CVE-2026-55971Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
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.
9.3 CRITICALEPSS 0.97%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.3 | CRITICAL | 4.0apache (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-55971
- Status
- Analyzed
- Assigner (CNA)
- apache
- Published
- Jul 27, 2026
- Last modified
- 2026-10-24 13:10 UTC
- Weaknesses
- CWE-122 · Heap-based Buffer Overflow
Affected Products
As published by the CNA in the CVE record.
Apache Software FoundationApache Thrift1 version range
- before 0.24.0