{"schema_version":"1.7.3","id":"SUSE-SU-2020:3264-1","published":"2020-11-10T08:51:09Z","modified":"2026-02-04T03:21:27.585985Z","related":["CVE-2020-15166"],"upstream":["CVE-2020-15166"],"summary":"Security update for zeromq","details":"This update for zeromq fixes the following issues:\n\n- CVE-2020-15166: Fixed the possibility of unauthenticated clients causing a denial-of-service (bsc#1176116).\n- Fixed a heap overflow when receiving malformed ZMTP v1 packets (bsc#1176256)\n- Fixed a memory leak in client induced by malicious server(s) without CURVE/ZAP (bsc#1176257)\n- Fixed memory leak when processing PUB messages with metadata (bsc#1176259)\n- Fixed a stack overflow in PUB/XPUB subscription store (bsc#1176258)\n","affected":[{"package":{"name":"libunwind","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP1","purl":"pkg:rpm/suse/libunwind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1-4.2.3"}]}],"ecosystem_specific":{"binaries":[{"libunwind":"1.2.1-4.2.3","libunwind-32bit":"1.2.1-4.2.3","libunwind-devel":"1.2.1-4.2.3","libzmq5":"4.2.3-3.15.4","libzmq5-32bit":"4.2.3-3.15.4","zeromq-devel":"4.2.3-3.15.4"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:3264-1.json"}},{"package":{"name":"zeromq","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 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