Description

Out-of-bounds read vulnerability in the graphics module. Successful exploitation of this vulnerability may affect availability.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.9",
  "pubDate": "2026-09-24T07:16:33.307Z",
  "pubdate": "2026-09-24T07:16:33.307Z",
  "executiveSummary": "An out-of-bounds (OOB) read vulnerability exists within the graphics module, representing a critical memory safety flaw.\nThis vulnerability allows an attacker to read data outside the intended memory boundaries of the graphics processing component.\nThe primary impact of this vulnerability is on system availability; unauthorized memory access can trigger memory corruption, segmentation faults, or process crashes, leading to a denial-of-service (DoS) condition.\nThe graphics module handles complex data structures, making it a frequent target for memory-based exploitation.\nAttackers with the ability to provide maliciously crafted inputs to the graphics engine can induce the vulnerability, potentially leaking sensitive memory contents if the read is leveraged as an information disclosure primitive.\nThe risk is elevated due to the potential for the vulnerability to be triggered during routine rendering tasks or graphics processing operations, which are often exposed to untrusted external data.\nNo specific authentication or high-level privileges are identified as requirements, suggesting that if the graphics module is reachable from lower-privilege contexts, the attack surface remains significant.",
  "technicalDetails": "The vulnerability resides in the memory management logic of the graphics module, specifically within the routines responsible for parsing or processing graphics buffers and data structures.\nThe root cause is an improper bounds check on input data used to calculate memory offsets for read operations. When the graphics module receives a request to process data, it fails to sufficiently validate that the provided index or offset aligns with the allocated memory buffer.\nExploitation occurs when an attacker delivers a specially crafted payload—such as an malformed image file, shader code, or graphical command sequence—to the graphics module.\nUpon processing this payload, the vulnerable function uses a user-controlled offset to read from the memory space associated with the graphics process. Because the boundary checks are missing or flawed, the read operation extends beyond the intended memory buffer into adjacent memory regions.\nThe attack flow follows a sequential pattern: 1) The attacker identifies an input vector that triggers the graphics module's parsing logic. 2) The attacker crafts a payload containing an out-of-range offset value designed to bypass existing validation checks. 3) The graphics module receives the payload and executes the read operation at the unauthorized memory location. 4) The hardware or the operating system's memory management unit (MMU) may detect the violation, or the process may read arbitrary data into its own working space.\nThe impact of this unauthorized read is twofold: first, by forcing the process to access invalid memory regions, the attacker can cause an immediate crash of the graphics subsystem, resulting in a denial-of-service. Second, if the read data is reflected back to the attacker through an API response, the vulnerability functions as an information disclosure mechanism, potentially leaking sensitive memory pointers or application-specific data. Such leaks are often essential precursors to more sophisticated exploitation chains, such as bypassing Address Space Layout Randomization (ASLR)."
}