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CVE-2026-24819

Severity6.3 Medium CVSS 4.0
WeaknessCWE-1325
Published27 Jan 2026
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.44% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists: foxinmy/weixin4j #229.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Medium or Low severity, no CISA or VulnCheck KEV listing, no PoC clearing the evidence bar, no CISA verdict, no Oracle advisory
Finding This CVE is MEDIUM severity, is not listed in CISA KEV or VulnCheck KEV, has no public exploit or PoC in any indexed source, carries no CISA Vulnrichment finding of a demonstrated exploit, and is not part of an Oracle Critical Patch Update. None of the signals that would put it in front of an engineer is present, and the volume of CVEs below that bar is too great to take one at a time, so no rule is written for it. This is a decision about what we act on, not a finding that the CVE is harmless — a patch may well be derivable, and a low-severity defect can still be one link in a longer chain.
Candidate fix https://github.com/foxinmy/weixin4j/pull/229 : a pull request: the change under review

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
com.foxinmy:weixin4j-base 0 none 1.10.2

Products and versions

1 product, 1 version entry
SourceVendorProductSchemeAffected versions
osv com.foxinmy weixin4j-base generic ≤ 1.10.2

References

URLTags
https://github.com/foxinmy/weixin4j/pull/229 pr
https://github.com/foxinmy/weixin4j/commit/d1c825835802cd3a0c04772be1220ff4476ea27c WEB
https://github.com/foxinmy/weixin4j PACKAGE

Timeline

Published2026-01-27By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.