Apache Thrift C++ Heap-Buffer Overflow Before 0.24.0
CVE-2026-55971 Published on July 27, 2026
Apache 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.
Vulnerability Analysis
CVE-2026-55971 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2026-55971
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Affected Versions
Apache Software Foundation Apache Thrift:- Before 0.24.0 is affected.