{"id":"SUSE-SU-2020:2167-1","summary":"Security update for LibVNCServer","details":"This update for LibVNCServer fixes the following issues:\n\n- security update\n  fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak\n  fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock()\n  fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service\n  fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c\n  fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c\n  fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.\n  fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.\n  fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c\n  fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.\n  fix CVE-2020-14403 [bsc#1173701], out-of-bounds access via encodings.\n  fix CVE-2020-14404 [bsc#1173701], out-of-bounds access via encodings.\n  fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite\n","modified":"2026-03-11T07:14:52.229260Z","published":"2020-08-07T12:54:44Z","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","CVE-2020-14403","CVE-2020-14404"],"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","CVE-2020-14403","CVE-2020-14404"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2020/suse-su-20202167-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173477"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173691"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173694"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173700"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173701"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173743"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173874"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173875"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173876"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173880"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2017-18922"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2018-21247"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-20839"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-20840"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14397"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14398"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14399"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14400"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14401"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14402"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14403"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14404"}],"affected":[{"package":{"name":"LibVNCServer","ecosystem":"SUSE:HPE 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