{"schemaVersion":3,"id":"OPENSUSE-SU-2020:1056-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for LibVNCServer\n\nThis update for LibVNCServer fixes the following issues:\n\n- security update\n- added patches\n  fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak\n  + LibVNCServer-CVE-2018-21247.patch\n  fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock()\n  + LibVNCServer-CVE-2019-20839.patch\n  fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service\n  + LibVNCServer-CVE-2019-20840.patch\n  fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c\n  + LibVNCServer-CVE-2020-14398.patch\n  fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c\n  + LibVNCServer-CVE-2020-14397.patch\n  fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.\n  + LibVNCServer-CVE-2020-14399.patch\n  fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.\n  + LibVNCServer-CVE-2020-14400.patch\n  fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c\n  + LibVNCServer-CVE-2020-14401.patch\n  fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.\n  + LibVNCServer-CVE-2020-14402,14403,14404.patch\n  fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite\n\nThis update was imported from the SUSE:SLE-15:Update update project.","dates":{"published":"2020-07-24T12:20:15.000Z","modified":"2026-02-04T02:28:13.003Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"opensuse","product":"LibVNCServer&distro=openSUSE Leap 15.2","name":"LibVNCServer","label":"LibVNCServer&distro=openSUSE Leap 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0.9.10-lp152.9.4.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MWRQ72I3AY52E4KTKKWCJGWKFGVHI5FP/","label":"lists.opensuse.org/archives/…","hostname":"lists.opensuse.org","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1173477","label":"bugzilla.suse.com/1173477","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173691","label":"bugzilla.suse.com/1173691","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173694","label":"bugzilla.suse.com/1173694","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173700","label":"bugzilla.suse.com/1173700","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173701","label":"bugzilla.suse.com/1173701","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173743","label":"bugzilla.suse.com/1173743","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173874","label":"bugzilla.suse.com/1173874","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173875","label":"bugzilla.suse.com/1173875","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173876","label":"bugzilla.suse.com/1173876","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1173880","label":"bugzilla.suse.com/1173880","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18922","label":"www.suse.com/security/cve/CVE-2017-18922","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2018-21247","label":"www.suse.com/security/cve/CVE-2018-21247","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20839","label":"www.suse.com/security/cve/CVE-2019-20839","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20840","label":"www.suse.com/security/cve/CVE-2019-20840","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14397","label":"www.suse.com/security/cve/CVE-2020-14397","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14398","label":"www.suse.com/security/cve/CVE-2020-14398","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14399","label":"www.suse.com/security/cve/CVE-2020-14399","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14400","label":"www.suse.com/security/cve/CVE-2020-14400","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14401","label":"www.suse.com/security/cve/CVE-2020-14401","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14402","label":"www.suse.com/security/cve/CVE-2020-14402","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2017-18922","CVE-2018-21247","CVE-2019-20839","CVE-2019-20840","CVE-2020-14397","CVE-2020-14398","CVE-2020-14399","CVE-2020-14400","CVE-2020-14401","CVE-2020-14402"],"downstream":[],"duplicates":[],"related":["CVE-2017-18922","CVE-2018-21247","CVE-2019-20839","CVE-2019-20840","CVE-2020-14397","CVE-2020-14398","CVE-2020-14399","CVE-2020-14400","CVE-2020-14401","CVE-2020-14402"]},"timeline":[{"kind":"published","date":"2020-07-24T12:20:15.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T02:28:13.003Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T02:34:58.009Z","stale":false,"partial":false}}