CVE-2026-16002 in lib60870
Summary
by MITRE • 07/24/2026
The affected product is vulnerable to an Out-of-bounds read, which may allow an attacker to crash the parsing process and cause a denial of service.
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Analysis
by VulDB Data Team • 07/24/2026
An out-of-bounds read vulnerability represents a critical memory safety issue that occurs when a program attempts to access memory locations outside the boundaries of allocated buffers or data structures. This flaw typically arises from insufficient input validation or improper bounds checking during data processing operations, particularly in parsing functions that handle structured data formats such as configuration files, network protocols, or binary file formats. The vulnerability manifests when an application reads data beyond the intended memory limits, potentially accessing uninitialized memory, adjacent data structures, or even memory belonging to other processes.
The technical implementation of this flaw involves scenarios where parsing routines fail to properly validate the length or size of incoming data before attempting to read from memory locations. Attackers can exploit this weakness by crafting malicious input that triggers the out-of-bounds memory access during parsing operations. When executed successfully, the vulnerability causes the targeted application to encounter a segmentation fault or access violation, resulting in an abrupt termination of the parsing process and subsequent denial of service for legitimate users who rely on that functionality.
From an operational perspective, this vulnerability presents significant risks to system availability and service integrity within enterprise environments. The denial of service impact can be particularly severe when the affected product serves as a critical infrastructure component or handles high-volume data processing tasks where uninterrupted operation is essential. The vulnerability can be exploited remotely through network-based attacks if the parsing functionality accepts external input, making it potentially scalable across multiple systems within an organization. Security professionals should note that such vulnerabilities often align with CWE-129, which specifically addresses insufficient validation of length of input buffers, and may also map to ATT&CK technique T1499.004 for network denial of service attacks.
Mitigation strategies should focus on implementing comprehensive input validation mechanisms, including bounds checking, memory safety improvements, and proper error handling procedures during parsing operations. Organizations should prioritize updating affected products through official patches or vendor-supplied fixes that address the underlying buffer management issues. Additionally, runtime protections such as address space layout randomization, stack canaries, and memory protection features can help reduce exploitability, while network segmentation and access controls provide additional layers of defense against unauthorized exploitation attempts.