{"id":"CVE-2026-64608","state":"PUBLISHED","title":"Apache Fory: Heap type confusion and out-of-bounds read/write in C++ compatible-mode field-skip paths","description":"Heap type confusion and out-of-bounds read/write in the Apache Fory C++ implementation. When deserializing data in compatible mode, the field-skip paths do not correctly validate the declared field types against the actual data, so input with an inconsistent schema can cause type confusion and out-of-bounds memory access. Only the C++ implementation is affected; other language implementations of Apache Fory are not.\n\nThis issue affects Apache Fory C++: from 0.14.0 before 1.4.0.\n\nUsers are recommended to upgrade to version 1.4.0, which fixes the issue.","publishedAt":"2026-07-21T09:34:12.817Z","updatedAt":"2026-07-21T18:28:16.365Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Fory"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Fory","defaultStatus":"unaffected","versions":[{"version":"0.14.0","status":"affected","lessThan":"1.4.0","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/wl05slf57zzoq1s4pg4tk6nx6mjyjr4b","http://www.openwall.com/lists/oss-security/2026/07/21/5"],"weaknesses":["CWE-843","CWE-787","CWE-502"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64608.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64608","state":"PUBLISHED","datePublished":"2026-07-21T09:34:12.817Z","dateUpdated":"2026-07-21T18:28:16.365Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-07-20T08:33:04.879Z"},"containers":{"cna":{"title":"Apache Fory: Heap type confusion and out-of-bounds read/write in C++ compatible-mode field-skip paths","descriptions":[{"lang":"en","value":"Heap type confusion and out-of-bounds read/write in the Apache Fory C++ implementation. When deserializing data in compatible mode, the field-skip paths do not correctly validate the declared field types against the actual data, so input with an inconsistent schema can cause type confusion and out-of-bounds memory access. Only the C++ implementation is affected; other language implementations of Apache Fory are not.\n\nThis issue affects Apache Fory C++: from 0.14.0 before 1.4.0.\n\nUsers are recommended to upgrade to version 1.4.0, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Fory","defaultStatus":"unaffected","versions":[{"version":"0.14.0","status":"affected","lessThan":"1.4.0","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/wl05slf57zzoq1s4pg4tk6nx6mjyjr4b","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-843","description":"CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-07-21T09:34:12.817Z"},"credits":[{"lang":"en","type":"reporter","value":"Nguyen Van Hiep (@hypnguyen1209) from MBBank"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-21T13:39:52.420919Z","id":"CVE-2026-64608","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-21T13:39:55.860Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/21/5"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-21T18:28:16.365Z"}}]}}}