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AlienVault OTX Malware

A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). During multi-threaded client execution, the function Iec10x_Scheduled can access memory that has already been freed, potentially causing program crashes or undefined behavior. This may be exploited to trigger a denial-of-service or memory corruption.

CVE-2025-63927 identifies a heap-use-after-free vulnerability in the airpig2011 IEC104 protocol implementation, introduced through commit be6d841 dated July 8, 2019. The vulnerability manifests in the multi-threaded client execution environment within the function Iec10x_Scheduled, which improperly accesses memory that has already been freed. This use-after-free condition can cause undefined behavior including program crashes or memory corruption. The flaw stems from improper memory management in a concurrent context, which is a common source of instability and security issues in software handling real-time or industrial communication protocols. While the vulnerability does not directly compromise confidentiality or integrity, it can be exploited to cause denial-of-service (DoS) conditions by crashing the affected application or corrupting its memory space. The CVSS v3.1 score is 4.0 (medium), reflecting local attack vector (AV:L), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), unchanged scope (S:U), and impact limited to availability (A:L). No patches or known exploits are currently available, indicating that the vulnerability is newly disclosed and may require vendor action to remediate. The CWE classification is CWE-122, which corresponds to heap-based buffer errors, specifically use-after-free conditions. This vulnerability is relevant for systems using the airpig2011 IEC104 implementation, commonly found in industrial control systems and SCADA environments that communicate using the IEC 60870-5-104 protocol for telecontrol.

Detailed information about CVE-2025-63927: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2025-63927: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-63927: n/a

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