CVE-2026-59949

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{"affected": [{"affectedData": [{"product": "lz4-java", "vendor": "yawkat", "versions": [{"status": "affected", "version": "< 1.11.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance().hash32().hash(), XXHashFactory.nativeInstance().hash64().hash(), XXHashFactory.nativeInstance().newStreamingHash32().update(), and XXHashFactory.nativeInstance().newStreamingHash64().update(), allowing null arrays or oversized ranges to reach native code, read outside the Java array, and fatally terminate the JVM. This issue is fixed in version 1.11.1."}, {"lang": "es", "value": "yawkat LZ4 Java proporciona compresi\u00f3n LZ4 para Java. Antes de la versi\u00f3n 1.11.1, las implementaciones XXHash respaldadas por JNI no validan el objeto de array de bytes y los argumentos off y len en XXHashFactory.nativeInstance().hash32().hash(), XXHashFactory.nativeInstance().hash64().hash(), XXHashFactory.nativeInstance().newStreamingHash32().update(), y XXHashFactory.nativeInstance().newStreamingHash64().update(), permitiendo que arrays nulos o rangos sobredimensionados alcancen c\u00f3digo nativo, lean fuera del array de Java y terminen fatalmente la JVM. Este problema se ha corregido en la versi\u00f3n 1.11.1."}], "id": "CVE-2026-59949", "lastModified": "2026-10-22T22:10:00.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59949", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-18T17:19:17.863670Z", "version": "2.0.3"}}]}, "published": "2026-08-18T15:16:56.160", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/yawkat/lz4-java/commit/dbd86d04b8dd716e1c2bc626be54189997d910da"}, {"source": "security-advisories@github.com", "url": "https://github.com/yawkat/lz4-java/releases/tag/v1.11.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/yawkat/lz4-java/security/advisories/GHSA-xx22-p4ch-683r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.11.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "lz4-java", "source": "cna", "vendor": "yawkat"}, "product": "lz4-java", "vendor": "yawkat"}], "created": "2026-08-18T16:45:04.543500+00:00", "updated": "2026-08-21T12:33:06.751171+00:00", "vendors": ["yawkat", "yawkat$PRODUCT$lz4-java"]}