{"id":"ALPINE-CVE-2019-6250","details":"A pointer overflow, with code execution, was discovered in ZeroMQ libzmq (aka 0MQ) 4.2.x and 4.3.x before 4.3.1. A v2_decoder.cpp zmq::v2_decoder_t::size_ready integer overflow allows an authenticated attacker to overwrite an arbitrary amount of bytes beyond the bounds of a buffer, which can be leveraged to run arbitrary code on the target system. The memory layout allows the attacker to inject OS commands into a data structure located immediately after the problematic buffer (i.e., it is not necessary to use a typical buffer-overflow exploitation technique that changes the flow of control).","modified":"2026-09-10T06:17:54.557876137Z","published":"2019-01-13T15:29:00.547Z","upstream":["CVE-2019-6250"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2019-6250"}],"affected":[{"package":{"name":"zeromq","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-6250.json"}},{"package":{"name":"zeromq","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/zeromq?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://sto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