{"id":"MGASA-2021-0365","summary":"Updated systemd packages fix security vulnerabilities","details":"This systemd update provides the v246.15 maintenance release and fixes\nat least the following security issues:\n\nAn exploitable denial-of-service vulnerability exists in Systemd 245.\nA specially crafted DHCP FORCERENEW packet can cause a server running\nthe DHCP client to be vulnerable to a DHCP ACK spoofing attack. An\nattacker can forge a pair of FORCERENEW and DCHP ACK packets to\nreconfigure the server (CVE-2020-13529).\n\nbasic/unit-name.c in systemd 220 through 248 has a Memory Allocation with\nan Excessive Size Value (involving strdupa and alloca for a pathname\ncontrolled by a local attacker) that results in an operating system crash\n(CVE-2021-29270).\n","modified":"2026-04-16T00:10:38.311776604Z","published":"2021-07-22T07:08:00Z","upstream":["CVE-2020-13529","CVE-2021-33910"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2021-0365.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=29270"},{"type":"WEB","url":"https://github.com/systemd/systemd-stable/compare/v246.13...v246.15"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2021/07/20/2"}],"affected":[{"package":{"name":"systemd","ecosystem":"Mageia:8","purl":"pkg:rpm/mageia/systemd?arch=source&distro=mageia-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"246.15-1.mga8"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0365.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}