CVE-2025-59603 in Snapdragon Compute
Summary
by MITRE • 03/02/2026
Memory Corruption when processing invalid user address with nonstandard buffer address.
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Analysis
by VulDB Data Team • 03/02/2026
This vulnerability represents a critical memory corruption flaw that occurs during the processing of user-provided addresses with nonstandard buffer addressing patterns. The issue manifests when the system encounters invalid user addresses that do not conform to expected memory layout standards, leading to unpredictable behavior in buffer management operations. The vulnerability stems from insufficient validation mechanisms that fail to properly handle edge cases in address space management, particularly when dealing with malformed or unexpected buffer addresses that fall outside conventional memory addressing schemes.
The technical implementation of this flaw involves improper memory handling routines that do not adequately validate address boundaries or buffer integrity when processing user-supplied data. Attackers can exploit this by crafting malicious input that contains invalid address references with nonstandard buffer addressing, potentially causing the application to write beyond allocated memory boundaries or read from unauthorized memory regions. This type of memory corruption can result in arbitrary code execution, system crashes, or data leakage depending on the specific execution context and memory layout. The vulnerability aligns with CWE-121, which addresses stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios, though it specifically manifests in nonstandard address processing contexts.
The operational impact of this vulnerability extends beyond simple application instability to potentially enable remote code execution in affected systems. When exploited successfully, the memory corruption can allow attackers to manipulate program execution flow, bypass security controls, or escalate privileges within the affected environment. Systems that process user input through buffer operations, particularly those involving network services or file processing functions, face heightened risk from this vulnerability. The exploitation requires understanding of memory layout specifics and buffer management internals, making it suitable for sophisticated attacks rather than casual exploitation attempts. This aligns with ATT&CK technique T1059, which covers command and scripting interpreter usage, as exploitation may involve manipulating execution paths through corrupted memory structures.
Mitigation strategies should focus on implementing comprehensive input validation mechanisms that enforce strict address boundary checking and buffer size validation before processing user-supplied addresses. Developers should employ defensive programming practices including bounds checking, address validation routines, and proper memory allocation techniques that prevent unauthorized memory access patterns. Additionally, implementing address space layout randomization, stack canaries, and other exploit mitigation techniques can significantly reduce the effectiveness of potential exploitation attempts. Regular security updates and code reviews focused on memory handling routines are essential for maintaining system integrity. Organizations should also consider deploying intrusion detection systems that monitor for anomalous memory access patterns and buffer manipulation activities that may indicate exploitation attempts. The vulnerability requires careful attention during software development phases to ensure proper validation of all user address inputs and robust error handling for nonstandard addressing scenarios.