{"id":"CVE-2019-17543","state":"PUBLISHED","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 is","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.\"","publishedAt":"2019-10-14T01:09:00.000Z","updatedAt":"2026-10-14T06:54:46.324Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"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/","https://cert-portal.siemens.com/productcert/html/ssa-398330.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:38.896Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/17xxx/CVE-2019-17543.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2019-17543","state":"PUBLISHED","datePublished":"2019-10-14T01:09:00.000Z","dateUpdated":"2026-10-14T06:54:46.324Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-10-14T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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.\""}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e36272c8c8b7fa3%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191024 [jira] [Created] (ARROW-6984) Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3e91f0def2d7d3%40%3Cdev.arrow.apache.org%3E","name":"[arrow-dev] 20191024 [jira] [Created] (ARROW-6984) Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7d75412099c357%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191024 [jira] [Updated] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb06b5c87b36316%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191024 [jira] [Assigned] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00eabe7d50ec1e17%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191025 [jira] [Commented] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html","name":"openSUSE-SU-2019:2399","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html","name":"openSUSE-SU-2019:2398","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://lists.apache.org/thread.html/543302d55e2d2da4311994e9b0debdc676bf3fd05e1a2be3407aa2d6%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191106 [jira] [Resolved] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r7bc72200f94298bc9a0e35637f388deb53467ca4b2e2ad1ff66d8960%40%3Cissues.kudu.apache.org%3E","name":"[kudu-issues] 20200621 [jira] [Updated] (KUDU-3156) Whether the CVE-2019-17543 vulnerability of lz affects kudu","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r4068ba81066792f2b4d208b39c4c4713c5d4c79bd8cb6c1904af5720%40%3Cissues.kudu.apache.org%3E","name":"[kudu-issues] 20200709 [jira] [Resolved] (KUDU-3156) Whether the CVE-2019-17543 vulnerability of lz affects kudu","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC"]},{"url":"https://github.com/lz4/lz4/pull/756","tags":["x_refsource_MISC"]},{"url":"https://github.com/lz4/lz4/pull/760","tags":["x_refsource_MISC"]},{"url":"https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2","tags":["x_refsource_MISC"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941","tags":["x_refsource_MISC"]},{"url":"https://github.com/lz4/lz4/issues/801","tags":["x_refsource_MISC"]},{"url":"https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658b382e485960e26%40%3Cissues.kudu.apache.org%3E","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20210723-0001/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-07-23T11:06:58.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-17543","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"[arrow-issues] 20191024 [jira] [Created] (ARROW-6984) Update LZ4 to 1.9.2 for CVE-2019-17543","refsource":"MLIST","url":"https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e36272c8c8b7fa3@%3Cissues.arrow.apache.org%3E"},{"name":"[arrow-dev] 20191024 [jira] [Created] (ARROW-6984) Update LZ4 to 1.9.2 for CVE-2019-17543","refsource":"MLIST","url":"https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3e91f0def2d7d3@%3Cdev.arrow.apache.org%3E"},{"name":"[arrow-issues] 20191024 [jira] [Updated] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","refsource":"MLIST","url":"https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7d75412099c357@%3Cissues.arrow.apache.org%3E"},{"name":"[arrow-issues] 20191024 [jira] [Assigned] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","refsource":"MLIST","url":"https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb06b5c87b36316@%3Cissues.arrow.apache.org%3E"},{"name":"[arrow-issues] 20191025 [jira] [Commented] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","refsource":"MLIST","url":"https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00eabe7d50ec1e17@%3Cissues.arrow.apache.org%3E"},{"name":"openSUSE-SU-2019:2399","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html"},{"name":"openSUSE-SU-2019:2398","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html"},{"name":"[arrow-issues] 20191106 [jira] [Resolved] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","refsource":"MLIST","url":"https://lists.apache.org/thread.html/543302d55e2d2da4311994e9b0debdc676bf3fd05e1a2be3407aa2d6@%3Cissues.arrow.apache.org%3E"},{"name":"[kudu-issues] 20200621 [jira] [Updated] (KUDU-3156) Whether the CVE-2019-17543 vulnerability of lz affects kudu","refsource":"MLIST","url":"https://lists.apache.org/thread.html/r7bc72200f94298bc9a0e35637f388deb53467ca4b2e2ad1ff66d8960@%3Cissues.kudu.apache.org%3E"},{"name":"[kudu-issues] 20200709 [jira] [Resolved] (KUDU-3156) Whether the CVE-2019-17543 vulnerability of lz affects kudu","refsource":"MLIST","url":"https://lists.apache.org/thread.html/r4068ba81066792f2b4d208b39c4c4713c5d4c79bd8cb6c1904af5720@%3Cissues.kudu.apache.org%3E"},{"name":"https://www.oracle.com/security-alerts/cpuoct2020.html","refsource":"MISC","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"name":"https://github.com/lz4/lz4/pull/756","refsource":"MISC","url":"https://github.com/lz4/lz4/pull/756"},{"name":"https://github.com/lz4/lz4/pull/760","refsource":"MISC","url":"https://github.com/lz4/lz4/pull/760"},{"name":"https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2","refsource":"MISC","url":"https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2"},{"name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941","refsource":"MISC","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941"},{"name":"https://github.com/lz4/lz4/issues/801","refsource":"MISC","url":"https://github.com/lz4/lz4/issues/801"},{"name":"https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658b382e485960e26@%3Cissues.kudu.apache.org%3E","refsource":"MISC","url":"https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658b382e485960e26@%3Cissues.kudu.apache.org%3E"},{"name":"https://www.oracle.com//security-alerts/cpujul2021.html","refsource":"MISC","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"name":"https://security.netapp.com/advisory/ntap-20210723-0001/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20210723-0001/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e36272c8c8b7fa3%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191024 [jira] [Created] (ARROW-6984) Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3e91f0def2d7d3%40%3Cdev.arrow.apache.org%3E","name":"[arrow-dev] 20191024 [jira] [Created] (ARROW-6984) Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7d75412099c357%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191024 [jira] [Updated] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb06b5c87b36316%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191024 [jira] [Assigned] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00eabe7d50ec1e17%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191025 [jira] [Commented] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html","name":"openSUSE-SU-2019:2399","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html","name":"openSUSE-SU-2019:2398","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://lists.apache.org/thread.html/543302d55e2d2da4311994e9b0debdc676bf3fd05e1a2be3407aa2d6%40%3Cissues.arrow.apache.org%3E","name":"[arrow-issues] 20191106 [jira] [Resolved] (ARROW-6984) [C++] Update LZ4 to 1.9.2 for CVE-2019-17543","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/r7bc72200f94298bc9a0e35637f388deb53467ca4b2e2ad1ff66d8960%40%3Cissues.kudu.apache.org%3E","name":"[kudu-issues] 20200621 [jira] [Updated] (KUDU-3156) Whether the CVE-2019-17543 vulnerability of lz affects kudu","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/r4068ba81066792f2b4d208b39c4c4713c5d4c79bd8cb6c1904af5720%40%3Cissues.kudu.apache.org%3E","name":"[kudu-issues] 20200709 [jira] [Resolved] (KUDU-3156) Whether the CVE-2019-17543 vulnerability of lz affects kudu","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/lz4/lz4/pull/756","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/lz4/lz4/pull/760","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/lz4/lz4/issues/801","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658b382e485960e26%40%3Cissues.kudu.apache.org%3E","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210723-0001/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T01:40:15.850Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2019-17543","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-08T21:12:26.833618Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-08T21:14:06.220Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-14T06:54:46.324Z"},"x_adpType":"supplier"}]}}}