{"id":"MGASA-2019-0020","summary":"Updated discount packages fix security vulnerabilities","details":"The __mkd_trim_line function in mkdio.c in libmarkdown.a in DISCOUNT\n2.2.3a allows remote attackers to cause a denial of service (heap-based\nbuffer over-read) via a crafted file (CVE-2018-11468).\n\nDISCOUNT through version 2.2.3a is vulnerable to a Heap-based\nbuffer-overflow in the markdown.c:isfootnote() function. An attacker\ncould exploit this to cause a denial of service (CVE-2018-11503).\n\nDISCOUNT through version 2.2.3a is vulnerable to a Heap-based\nbuffer-overflow in the markdown.c:islist() function. An attacker\ncould exploit this to cause a denial of service (CVE-2018-11504).\n\nThe quoteblock function in markdown.c in libmarkdown.a in DISCOUNT\n2.2.3a allows remote attackers to cause a denial of service\n(heap-based buffer over-read) via a crafted file (CVE-2018-12495).\n","modified":"2026-03-25T17:45:27.110981Z","published":"2019-01-08T21:50:23Z","related":["CVE-2018-11468","CVE-2018-11503","CVE-2018-11504","CVE-2018-12495"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2019-0020.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=23540"},{"type":"REPORT","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/7RPEBFDVJJU7ZJ2OQIKR35QQENJC2EI3/"}],"affected":[{"package":{"name":"discount","ecosystem":"Mageia:6","purl":"pkg:rpm/mageia/discount?arch=source&distro=mageia-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4-1.mga6"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2019-0020.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}