{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24819","assignerOrgId":"1a37b84a-8e51-4525-b3d6-87e2fae01dbd","state":"PUBLISHED","assignerShortName":"GovTech CSG","dateReserved":"2026-01-27T08:48:56.893Z","datePublished":"2026-01-27T08:55:54.605Z","dateUpdated":"2026-01-27T17:01:38.527Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://github.com/foxinmy/weixin4j","defaultStatus":"affected","modules":["weixin4j-base/src/main/java/com/foxinmy/weixin4j/util"],"product":"weixin4j","programFiles":["CharArrayBuffer.java","ClassUtil.java"],"vendor":"foxinmy","versions":[{"status":"unknown","version":"0","versionType":"git"}]}],"credits":[{"lang":"en","type":"reporter","value":"TITAN Team (titancaproject@gmail.com)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improperly Controlled Sequential Memory Allocation vulnerability in foxinmy weixin4j (weixin4j-base/src/main/java/com/foxinmy/weixin4j/util modules).<p> This vulnerability is associated with program files <tt>CharArrayBuffer.Java</tt>, <tt>ClassUtil.Java</tt>.</p><p>This issue affects weixin4j.</p>"}],"value":"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.\n\nThis issue affects weixin4j."}],"metrics":[{"cvssV4_0":{"Automatable":"YES","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/R:A/V:D/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"MODERATE"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1325","description":"CWE-1325 Improperly Controlled Sequential Memory Allocation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"1a37b84a-8e51-4525-b3d6-87e2fae01dbd","shortName":"GovTech CSG","dateUpdated":"2026-01-27T08:55:54.605Z"},"references":[{"tags":["patch"],"url":"https://github.com/foxinmy/weixin4j/pull/229"}],"source":{"discovery":"UNKNOWN"},"title":"An out-of-memory (OOM) issue in foxinmy/weixin4j","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-27T17:01:29.695252Z","id":"CVE-2026-24819","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-27T17:01:38.527Z"}}]}}