Apache Thrift C++ Bindings Memory Leak Before 0.25.0
CVE-2026-94652 Published on October 2, 2026
Apache Thrift: C++ `TEvhttpServer` leaks its `RequestContext` when the processor throws before calling back
Missing release of memory after effective lifetime 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.
Vulnerability Analysis
CVE-2026-94652 is exploitable 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
What is a Memory Leak Vulnerability?
The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is often triggered by improper handling of malformed data or unexpectedly interrupted sessions. In some languages, developers are responsible for tracking memory allocation and releasing the memory. If there are no more pointers or references to the memory, then it can no longer be tracked and identified for release.
CVE-2026-94652 has been classified to as a Memory Leak vulnerability or weakness.
Products Associated with CVE-2026-94652
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Affected Versions
Apache Software Foundation Apache Thrift:- Before 0.25.0 is affected.