CVE-2026-121941
Description
A flaw was found in libmt32emu. This vulnerability can allow an attacker to execute arbitrary code or cause a Denial of Service (DoS) by crashing the application. By tricking a user or application into processing crafted Musical Instrument Digital Interface (MIDI) streams containing oversized, unterminated System Exclusive (SysEx) messages, an attacker can trigger a heap buffer overflow that corrupts memory.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.
Other
Technical Impact: Unexpected State
Subsequent write operations can produce undefined or unexpected results.
Frequently Asked Questions
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