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weixin4j

Improperly Controlled Sequential Memory Allocation vulnerability in foxinmy weixin4j (weixin4j-base/src/main/java/com/foxinmy/weixin4j/util modules). This vulnerability is associated with program files CharArrayBuffer.Java, ClassUtil.Java.

This issue affects weixin4j.

CVE-2026-24819 identifies a vulnerability classified under CWE-1325 (Improperly Controlled Sequential Memory Allocation) in the foxinmy weixin4j Java library, specifically within the weixin4j-base module's utility classes CharArrayBuffer.java and ClassUtil.java. The vulnerability arises from the library's failure to properly control or limit sequential memory allocations, potentially allowing an attacker to trigger excessive memory consumption. This can lead to resource exhaustion and partial denial of service (DoS) conditions in applications relying on the library. The vulnerability is remotely exploitable without authentication or user interaction, as indicated by the CVSS vector (AV:N/AC:L/AT:P/PR:N/UI:N). The attack complexity is low, but the attacker must be able to induce the vulnerable code path to allocate memory sequentially. The impact primarily affects availability (V:D) with some reduction in confidentiality (R:A) due to possible side effects. No patches or known exploits are currently available, and the vulnerability was published on January 27, 2026. The foxinmy weixin4j library is commonly used for integrating Weixin (WeChat) APIs in Java applications, which are prevalent in various enterprise and consumer software ecosystems.

Detailed information about CVE-2026-24819: CWE-1325 Improperly Controlled Sequential Memory Allocation in foxinmy weixin4j affecting foxinmy weixin4j. Get real-

CVE-2026-24819: CWE-1325 Improperly Controlled Sequential Memory Allocation in foxinmy weixin4j - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-24819: CWE-1325 Improperly Controlled Sequential Memory Allocation in foxinmy weixin4j

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