What’s Vulnerable › Vulnerabilities

CVE-2026-24819: An out-of-memory (OOM) issue in foxinmy/weixin4j

• Severity: medium (CVSS 6.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-27 · updated 2026-06-17
• Weakness: CWE-1325

Description

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.

Affected products

• foxinmy weixin4j: all versions

References

• https://github.com/foxinmy/weixin4j/pull/229

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