CVE-2025-48644 in Android
Summary
by MITRE • 03/02/2026
In multiple locations, there is a possible persistent denial of service due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 03/09/2026
This vulnerability represents a critical persistent denial of service flaw affecting multiple system components where inadequate input validation has been identified as the root cause. The issue manifests across various locations within the affected software ecosystem, creating a widespread attack surface that can be exploited without requiring any additional privileges or user interaction. The vulnerability's persistence aspect indicates that once exploited, the denial of service condition can maintain its impact over extended periods, potentially causing prolonged system unavailability. The lack of requirement for user interaction significantly increases the exploitability factor, as attackers can initiate the attack automatically without needing to trick users into performing specific actions. This characteristic aligns with attack patterns documented in the attack tree framework where automated exploitation paths are prioritized by threat actors. The vulnerability's classification as a local denial of service means that the attack vector operates within the same system or network segment, potentially allowing for more sophisticated exploitation techniques compared to remote attacks. The absence of privilege escalation requirements makes this vulnerability particularly dangerous as it can be exploited by any local user or process with basic access rights.
The technical implementation of this vulnerability stems from insufficient validation mechanisms that fail to properly sanitize or verify input data before processing. This type of flaw typically occurs when developers assume that input will conform to expected formats without implementing adequate validation checks or when validation logic is incomplete or overly permissive. The improper input validation creates opportunities for malformed or malicious data to be processed through system components, ultimately leading to resource exhaustion, system instability, or complete service disruption. This pattern of vulnerability aligns with common weaknesses catalogued in the CWE database under categories related to input validation failures and resource management issues. The vulnerability's persistence suggests that the input validation failures may be present in core processing functions or system loops that continuously handle data, meaning that repeated exploitation attempts or sustained malformed input can maintain the denial of service condition. The technical nature of this flaw also indicates potential memory corruption or resource exhaustion patterns that could be leveraged for more severe consequences beyond simple denial of service.
The operational impact of this vulnerability extends beyond simple service disruption, as persistent denial of service conditions can significantly affect business continuity, system reliability, and overall operational efficiency. Local attackers can exploit this vulnerability to maintain control over system resources, potentially causing cascading failures throughout dependent services or applications. The vulnerability's ability to persist without additional privileges or user interaction creates a particularly concerning threat landscape where unauthorized local access can result in sustained system degradation. Organizations may experience extended periods of reduced service availability, increased system maintenance requirements, and potential data processing delays that can impact operational workflows. The vulnerability's widespread presence across multiple locations suggests that entire system architectures may be affected, potentially requiring comprehensive patching or mitigation strategies that could impact system stability during remediation. This type of vulnerability also raises concerns about system monitoring capabilities, as persistent denial of service conditions may be difficult to detect and isolate without specialized monitoring tools or security event analysis.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation mechanisms across all affected system components. The recommended approach includes deploying strict data validation checks that sanitize all input before processing, implementing proper error handling procedures, and establishing robust monitoring systems to detect anomalous input patterns. Organizations should prioritize patch management processes to ensure timely deployment of vendor-provided fixes, while also implementing temporary workarounds such as input filtering or rate limiting mechanisms. Security teams should enhance their monitoring capabilities to detect potential exploitation attempts, particularly focusing on unusual input patterns or resource consumption anomalies that may indicate vulnerability exploitation. The mitigation approach should also include regular security assessments to identify additional input validation weaknesses that may exist within the system architecture. Network segmentation and access controls can provide additional layers of defense by limiting potential attack vectors and reducing the scope of exploitation. Organizations should also consider implementing automated incident response procedures that can quickly identify and isolate affected systems when denial of service conditions are detected. The implementation of these mitigations aligns with established security frameworks and best practices for addressing input validation vulnerabilities, including principles from the mitre attack framework that emphasize the importance of defending against persistent attack patterns.