{"id":"MGASA-2017-0027","summary":"Updated libvncserver packages fix security vulnerability","details":"It was discovered that there were two vulnerabilities in libvncserver, a\nlibrary to create/embed a VNC server:\n\nA heap-based buffer overflow that allows remote servers to cause a\ndenial of service via a crafted FramebufferUpdate message containing a\nsubrectangle outside of the drawing area (CVE-2016-9941).\n\nA heap-based buffer overflow that allow remote servers to cause a denial\nof service via a crafted FramebufferUpdate message with the \"Ultra\" type\ntile such that the LZO decompressed payload exceeds the size of the tile\ndimensions (CVE-2016-9942).\n","modified":"2026-02-04T03:15:04.823451Z","published":"2017-01-27T20:30:52Z","related":["CVE-2016-9941","CVE-2016-9942"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2017-0027.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=20075"},{"type":"REPORT","url":"https://security-tracker.debian.org/tracker/CVE-2016-9941"},{"type":"REPORT","url":"https://security-tracker.debian.org/tracker/CVE-2016-9942"}],"affected":[{"package":{"name":"libvncserver","ecosystem":"Mageia:5","purl":"pkg:rpm/mageia/libvncserver?arch=source&distro=mageia-5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-1.2.mga5"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2017-0027.json"}}],"schema_version":"1.7.3","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}