{"id":"CVE-2019-6250","state":"PUBLISHED","title":"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 all","description":"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).","publishedAt":"2019-01-13T15:00:00.000Z","updatedAt":"2024-08-04T20:16:24.696Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.debian.org/security/2019/dsa-4368","https://github.com/zeromq/libzmq/issues/3351","https://github.com/zeromq/libzmq/releases/tag/v4.3.1","https://security.gentoo.org/glsa/201903-22"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:06.737Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/6xxx/CVE-2019-6250.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-6250","state":"PUBLISHED","datePublished":"2019-01-13T15:00:00.000Z","dateUpdated":"2024-08-04T20:16:24.696Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-01-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A pointer overflow, with code execution, was discovered in ZeroMQ libzmq (aka 0MQ) 4.2.x and 4.3.x before 4.3.1. 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