Apache Thrift: Stack overflow in THeaderProtocol before 0.25.0
CVE-2026-93925 Published on October 2, 2026
Apache Thrift: C++ `THeaderTransport::writeVarint32()` stack buffer overflow on a negative protocol id
Stack-based buffer overflow, Incorrect bitwise shift of integer vulnerability in Apache Thrift C++ THeaderProtocol.
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-2026-93925 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 Types
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-93925 has been classified to as a Stack Overflow vulnerability or weakness.
What is an Infinite Loop Vulnerability?
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.
CVE-2026-93925 has been classified to as an Infinite Loop vulnerability or weakness.
Products Associated with CVE-2026-93925
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Affected Versions
Apache Software Foundation Apache Thrift:- Before 0.25.0 is affected.