{"id":"CVE-2019-17543","revision":null,"records":[{"revision":"d9a2d2c1425b473d8028e3eed30f01c5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-17543","aliases":[],"title":"LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor stat…","description":"LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states \"only a few specific / uncommon usages of the API are at risk.\"","state":0,"publishedAt":"2019-10-14T01:09:00+00:00","modifiedAt":"2026-10-14T06:54:46.324+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e36272c8c8b7fa3%40%3Cissues.arrow.apache.org%3E","https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3e91f0def2d7d3%40%3Cdev.arrow.apache.org%3E","https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7d75412099c357%40%3Cissues.arrow.apache.org%3E","https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb06b5c87b36316%40%3Cissues.arrow.apache.org%3E","https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00eabe7d50ec1e17%40%3Cissues.arrow.apache.org%3E","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html","https://lists.apache.org/thread.html/543302d55e2d2da4311994e9b0debdc676bf3fd05e1a2be3407aa2d6%40%3Cissues.arrow.apache.org%3E","https://lists.apache.org/thread.html/r7bc72200f94298bc9a0e35637f388deb53467ca4b2e2ad1ff66d8960%40%3Cissues.kudu.apache.org%3E","https://lists.apache.org/thread.html/r4068ba81066792f2b4d208b39c4c4713c5d4c79bd8cb6c1904af5720%40%3Cissues.kudu.apache.org%3E","https://www.oracle.com/security-alerts/cpuoct2020.html","https://github.com/lz4/lz4/pull/756","https://github.com/lz4/lz4/pull/760","https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2","https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941","https://github.com/lz4/lz4/issues/801","https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658b382e485960e26%40%3Cissues.kudu.apache.org%3E","https://www.oracle.com//security-alerts/cpujul2021.html","https://security.netapp.com/advisory/ntap-20210723-0001/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-17543","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-17543","identifiers":["CVE-2019-17543"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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