{"id":"ALPINE-CVE-2019-17543","details":"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.\"","modified":"2026-09-10T06:17:54.509679331Z","published":"2019-10-14T02:15:10.873Z","upstream":["CVE-2019-17543"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2019-17543"}],"affected":[{"package":{"name":"lz4","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}},{"package":{"name":"lz4","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/lz4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-17543.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}