CVE-2026-58304 in Escargot
Summary
by MITRE • 07/09/2026
Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers.
This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a.
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Analysis
by VulDB Data Team • 07/09/2026
The vulnerability identified in Samsung's Open Source Escargot represents a critical buffer overflow condition that manifests through both out-of-bounds read and write operations, fundamentally compromising the integrity and security of the software system. This flaw exists within the Escargot component prior to commit 779f6bedf58f334dec64b0a51ebb724b4708b84a, indicating a specific codebase version where proper bounds checking mechanisms were either absent or inadequately implemented. The vulnerability falls under the broader category of overflow buffers as classified by CWE-119, which encompasses weaknesses related to improper handling of buffer boundaries during memory operations.
The technical implementation of this vulnerability stems from insufficient validation of input data and memory access boundaries within Escargot's processing routines. When the software encounters malformed or unexpectedly large input sequences, it fails to properly enforce buffer limits, allowing malicious actors to manipulate memory locations beyond allocated boundaries. This condition creates opportunities for arbitrary code execution, data corruption, and potential privilege escalation within the affected system. The out-of-bounds read aspect enables attackers to access memory regions that should remain protected, potentially exposing sensitive information or system state details. Meanwhile, the out-of-bounds write component allows for direct modification of adjacent memory locations, which can be exploited to overwrite critical program variables, function pointers, or control structures.
Operational impact assessment reveals severe consequences for systems utilizing vulnerable Escargot implementations, particularly in environments where security is paramount such as mobile devices, embedded systems, or enterprise applications. The vulnerability creates multiple attack vectors that align with tactics documented in the MITRE ATT&CK framework under techniques such as T1059 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation. Organizations running affected versions face heightened risk of unauthorized system access, data breaches, and potential complete system compromise. The nature of buffer overflow vulnerabilities in interpreted environments like those handled by Escargot means that exploitation can occur through seemingly benign input processing operations, making detection and prevention particularly challenging.
Mitigation strategies must prioritize immediate patching to the specific commit referenced in the vulnerability disclosure, ensuring that all instances of Escargot within affected systems are updated to versions containing proper bounds checking implementations. System administrators should implement comprehensive input validation mechanisms at multiple layers of the application stack, incorporating defensive programming practices that align with secure coding guidelines from organizations such as CERT/CC and OWASP. Additionally, deployment of runtime protection mechanisms including address space layout randomization ASLR, stack canaries, and data execution prevention DEP can provide additional defense-in-depth measures. Regular security assessments and code reviews should be conducted to identify similar patterns that may exist in other components of the software ecosystem, while monitoring for exploitation attempts through intrusion detection systems and application logs remains crucial for proactive threat mitigation.