{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102554","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2026-09-29T13:06:27.848Z","datePublished":"2026-10-09T15:07:16.130Z","dateUpdated":"2026-10-09T18:09:50.100Z"},"containers":{"cna":{"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2026-10-09T15:07:16.130Z"},"title":"Denial of Service via Eager Array Allocation During Deserialization in Guava","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]},{"capecId":"CAPEC-586","descriptions":[{"lang":"en","value":"CAPEC-586 Object Injection"}]}],"affected":[{"vendor":"Google","product":"Guava","repo":"https://github.com/google/guava","versions":[{"status":"affected","version":"4.0","lessThan":"33.7.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Allocation of resources without limits or throttling (CWE-770) during Java object deserialization in Google Guava versions 4.0 through 33.7.1 allows an attacker to cause a Denial of Service via OutOfMemoryError. When deserializing CompactHashMap, CompactHashSet, or MapMakerInternalMap instances, Guava eagerly allocates an array based on a caller-specified size parameter without throttling, permitting memory exhaustion from crafted serialization streams.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Allocation of resources without limits or throttling (CWE-770) during Java object deserialization in Google Guava versions 4.0 through 33.7.1 allows an attacker to cause a Denial of Service via OutOfMemoryError. When deserializing CompactHashMap, CompactHashSet, or MapMakerInternalMap instances, Guava eagerly allocates an array based on a caller-specified size parameter without throttling, permitting memory exhaustion from crafted serialization streams.</p>"}]}],"references":[{"url":"https://github.com/google/guava/security/advisories/GHSA-xxph-c9ww-hj94"},{"url":"https://github.com/google/guava/commit/b931fe9d6d5cf00bc55714ad3308d086f71850fe"},{"url":"https://github.com/google/guava/releases/tag/v33.7.2"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.2,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Kaya Emre Arikan (https://github.com/kemrec)","type":"finder"}],"source":{"discovery":"EXTERNAL"}},"adp":[{"references":[{"url":"https://github.com/google/guava/security/advisories/GHSA-xxph-c9ww-hj94","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T18:09:30.467336Z","id":"CVE-2026-102554","options":[{"Exploitation":"poc"},{"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":"2026-10-09T18:09:50.100Z"}}]}}