{"id":"CVE-2020-14397","aliases":["ALPINE-CVE-2020-14397","ALSA-2021:1811","DEBIAN-CVE-2020-14397","DLA-2264-1","DLA-2347-1","EUVD-2020-6536","GHSA-q22w-mmf2-x3mr","MGASA-2020-0280","MGASA-2020-0288","RHSA-2021:1811","RLSA-2021:1811","SUSE-SU-2020:14424-1","SUSE-SU-2020:1922-1","SUSE-SU-2020:2167-1","UBUNTU-CVE-2020-14397","USN-4434-1","USN-4573-1","openSUSE-SU-2020:0988-1","openSUSE-SU-2020:1025-1","openSUSE-SU-2020:1056-1","openSUSE-SU-2024:10598-1"],"status":"published","title":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL...","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer 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Advisory","advisory"]},{"url":"https://usn.ubuntu.com/4434-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://usn.ubuntu.com/4573-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14397","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q22w-mmf2-x3mr"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-14397","tags":["advisory"]},{"url":"https://errata.almalinux.org/8/ALSA-2021-1811.html","tags":["advisory"]},{"url":"https://vulners.com/cve/CVE-2018-21247","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2019-20839","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-14397","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-14405","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-25708","tags":["report"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-14397","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0280.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26881","tags":["report"]},{"url":"https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.13","tags":["web"]},{"url":"https://www.debian.org/lts/security/2020/dla-2264","tags":["web"]},{"url":"https://advisories.mageia.org/MGASA-2020-0288.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26882","tags":["report"]},{"url":"https://access.redhat.com/errata/RHSA-2021:1811","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1849877","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1849886","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860325","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860344","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1896739","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1811.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-21247","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-21247","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21247","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-20839","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-20839","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20839","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-14397","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14397","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-14405","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14405","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14405","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-25708","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25708","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25708","tags":["advisory"]},{"url":"https://github.com/LibVNC/libvncserver/commit/673c07a75ed844d74676f3ccdcfdc706a7052dba","tags":["article"]},{"url":"https://github.com/LibVNC/libvncserver/issues/409","tags":["article"]},{"url":"https://errata.rockylinux.org/RLSA-2021:1811","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-202014424-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1173691","tags":["report"]},{"url":"https://bugzilla.suse.com/1173694","tags":["report"]},{"url":"https://bugzilla.suse.com/1173700","tags":["report"]},{"url":"https://bugzilla.suse.com/1173701","tags":["report"]},{"url":"https://bugzilla.suse.com/1173743","tags":["report"]},{"url":"https://bugzilla.suse.com/1173880","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14397","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14398","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14399","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14400","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14401","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14402","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20201922-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1173477","tags":["report"]},{"url":"https://bugzilla.suse.com/1173874","tags":["report"]},{"url":"https://bugzilla.suse.com/1173875","tags":["report"]},{"url":"https://bugzilla.suse.com/1173876","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-21247","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20840","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20202167-1/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14403","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14404","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-14397","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4434-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4573-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-20839","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-20840","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14396","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14398","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14399","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14400","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14401","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14402","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14403","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14404","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14405","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-6053","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-7225","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-15681","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RH2MWYCQ3Y7WV6I2GEEBEI2J57NGY36J/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MRXTN4MBX2MAHYVC2KCQATTKYECU2TZT/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MWRQ72I3AY52E4KTKKWCJGWKFGVHI5FP/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2006-2450","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20019","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20022","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20023","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20748","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20749","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20750","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-6307","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7225","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15681","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15690","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20788","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25708","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-14397","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T15:13:30Z","modified":"2024-08-04T12:46:34.192Z","updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-6536","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T15:13:30Z","modified":"2024-08-04T12:46:34Z","updated_at":"2026-11-03T03:07:34.099541Z"}],"ghsa":[{"id":"GHSA-q22w-mmf2-x3mr","title":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL...","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2022-05-24T17:20:47Z","modified":"2023-01-29T05:03:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:45:14.198561Z"}],"nvd":[{"id":"CVE-2020-14397","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T16:15:11.773Z","modified":"2026-06-17T02:54:41.637Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"ALPINE-CVE-2020-14397","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T16:15:11.773Z","modified":"2026-11-03T06:32:23.825871972Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:57.723967Z"},{"id":"CVE-2020-14397","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T16:15:11.773Z","modified":"2026-10-20T13:50:31.615264471Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"DEBIAN-CVE-2020-14397","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T16:15:11.773Z","modified":"2026-10-26T12:01:36.416445437Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"RHSA-2021:1811","title":"Red Hat Security Advisory: libvncserver security update","status":"published","published":"2024-09-16T05:02:38Z","modified":"2026-06-27T10:13:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"RLSA-2021:1811","title":"Moderate: libvncserver security update","description":"LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.\n\nSecurity Fix(es):\n\n* libvncserver: uninitialized memory contents are vulnerable to Information Leak (CVE-2018-21247)\n\n* libvncserver: buffer overflow in ConnectClientToUnixSock() (CVE-2019-20839)\n\n* libvncserver: libvncserver/rfbregion.c has a NULL pointer dereference (CVE-2020-14397)\n\n* libvncserver: libvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405)\n\n* libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (CVE-2020-25708)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.","status":"published","published":"2021-05-18T06:09:01Z","modified":"2026-02-04T10:30:04.644359Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"UBUNTU-CVE-2020-14397","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.","status":"published","published":"2020-06-17T16:15:00Z","modified":"2026-10-17T12:55:43.917055427Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:22.804634Z"},{"id":"ALSA-2021:1811","title":"Moderate: libvncserver security update","description":"LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.\n\nSecurity Fix(es):\n\n* libvncserver: uninitialized memory contents are vulnerable to Information Leak (CVE-2018-21247)\n\n* libvncserver: buffer overflow in ConnectClientToUnixSock() (CVE-2019-20839)\n\n* libvncserver: libvncserver/rfbregion.c has a NULL pointer dereference (CVE-2020-14397)\n\n* libvncserver: libvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405)\n\n* libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (CVE-2020-25708)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2021-05-18T06:09:01Z","modified":"2026-10-29T11:00:51.550030413Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"DLA-2264-1","title":"libvncserver - security update","status":"published","published":"2020-06-30T00:00:00Z","modified":"2026-03-09T01:19:51.140889Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"DLA-2347-1","title":"libvncserver - security update","status":"published","published":"2020-08-28T00:00:00Z","modified":"2026-03-09T01:20:12.604709Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"MGASA-2020-0280","title":"Updated libvncserver packages fix security vulnerability","description":"Updated libvncserver packages fix security vulnerabilities:\n\nlibvncclient/sockets.c in LibVNCServer had a buffer overflow via a long\nsocket filename (CVE-2019-20839).\n\nlibvncserver/rfbregion.c had a NULL pointer dereference (CVE-2020-14397).\n\nByte-aligned data was accessed through uint32_t pointers in\nlibvncclient/rfbproto.c (CVE-2020-14399).\n\nByte-aligned data was accessed through uint16_t pointers in\nlibvncserver/translate.c (CVE-2020-14400).\n\nlibvncserver/scale.c had a pixel_value integer overflow (CVE-2020-14401).\n\nlibvncserver/corre.c allowed out-of-bounds access via encodings\n(CVE-2020-14402).\n\nlibvncserver/hextile.c allowed out-of-bounds access via encodings\n(CVE-2020-14403).\n\nlibvncserver/rre.c allowed out-of-bounds access via encodings\n(CVE-2020-14404).\n\nlibvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405).\n\nThe libvncserver package has been updated to version 0.9.13, fixing these\nissues and several others.  See the release announcement for details.\n","status":"published","published":"2020-07-05T19:48:23Z","modified":"2026-04-16T04:42:45.902870887Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"MGASA-2020-0288","title":"Updated vino packages fix security vulnerability","description":"The updated package fixes security vulnerabilities:\nAn issue was discovered in LibVNCServer before 0.9.13.\nlibvncserver/rfbregion.c has a NULL pointer dereference.\n(CVE-2020-14397)\nByte-aligned data is accessed through uint16_t pointers in\nlibvncserver/translate.c. (CVE-2020-14400)\nlibvncserver/corre.c allows out-of-bounds access via encodings.\n(CVE-2020-14402)\nlibvncserver/hextile.c allows out-of-bounds access via encodings.\n(CVE-2020-14403)\nAn issue was discovered in LibVNCServer before 0.9.13.\nlibvncserver/rre.c allows out-of-bounds access via encodings. \n(CVE-2020-14404)\n","status":"published","published":"2020-07-10T08:01:08Z","modified":"2026-04-16T04:42:43.057647644Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2020:0988-1","title":"Security update for LibVNCServer","description":"This 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.","status":"published","published":"2020-07-18T12:27:09Z","modified":"2026-02-04T02:53:39.671564Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2020:1025-1","title":"Security update for LibVNCServer","description":"This 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.","status":"published","published":"2020-07-21T08:27:26Z","modified":"2026-02-04T02:38:47.939233Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:1056-1","title":"Security update for LibVNCServer","description":"This 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.","status":"published","published":"2020-07-24T12:20:15Z","modified":"2026-02-04T02:28:13.003232Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2024:10598-1","title":"LibVNCServer-devel-0.9.13-3.1 on GA media","description":"These are all security issues fixed in the LibVNCServer-devel-0.9.13-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:15:49.041318Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2020:14424-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- security update\n- added patches\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","status":"published","published":"2020-07-17T12:21:12Z","modified":"2026-02-04T02:46:35.154701Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"SUSE-SU-2020:1922-1","title":"Security update for LibVNCServer","description":"This 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","status":"published","published":"2020-07-15T09:31:09Z","modified":"2026-02-04T02:30:28.532499Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"SUSE-SU-2020:2167-1","title":"Security update for LibVNCServer","description":"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","status":"published","published":"2020-08-07T12:54:44Z","modified":"2026-02-04T02:41:32.568422Z","updated_at":"2026-11-02T15:53:48.11786Z"},{"id":"USN-4434-1","title":"libvncserver vulnerabilities","description":"Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled\ncertain malformed unix socket names. A remote attacker could exploit this\nwith a crafted socket name, leading to a denial of service, or possibly\nexecute arbitrary code. (CVE-2019-20839)\n\nIt was discovered that LibVNCServer did not properly access byte-aligned\ndata. A remote attacker could possibly use this issue to cause\nLibVNCServer to crash, resulting in a denial of service. This issue only\naffected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-20840)\n\nChristian Beier discovered that LibVNCServer incorrectly handled anonymous\nTLS connections. A remote attacker could possibly use this issue to cause\nLibVNCServer to crash, resulting in a denial of service. This issue only\naffected Ubuntu 20.04 LTS. (CVE-2020-14396)\n\nIt was discovered that LibVNCServer incorrectly handled region clipping. A\nremote attacker could possibly use this issue to cause LibVNCServer to\ncrash, resulting in a denial of service. (CVE-2020-14397)\n\nIt was discovered that LibVNCServer did not properly reset incorrectly\nterminated TCP connections. A remote attacker could possibly use this\nissue to cause an infinite loop, resulting in a denial of service.\n(CVE-2020-14398)\n\nIt was discovered that LibVNCServer did not properly access byte-aligned\ndata. A remote attacker could possibly use this issue to cause\nLibVNCServer to crash, resulting in a denial of service. (CVE-2020-14399,\nCVE-2020-14400)\n\nIt was discovered that LibVNCServer incorrectly handled screen scaling on\nthe server side. A remote attacker could use this issue to cause\nLibVNCServer to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2020-14401)\n\nIt was discovered that LibVNCServer incorrectly handled encodings. A\nremote attacker could use this issue to cause LibVNCServer to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2020-14402, CVE-2020-14403, CVE-2020-14404)\n\nIt was discovered that LibVNCServer incorrectly handled TextChat messages.\nA remote attacker could possibly use this issue to cause LibVNCServer to\ncrash, resulting in a denial of service. (CVE-2020-14405)\n","status":"published","published":"2020-07-23T20:09:25Z","modified":"2026-04-27T15:48:46.367539073Z","updated_at":"2026-11-02T16:58:14.547547Z"},{"id":"USN-4573-1","title":"vino vulnerabilities","description":"Nicolas Ruff discovered that Vino incorrectly handled large ClientCutText\nmessages. A remote attacker could use this issue to cause the server to\ncrash, resulting in a denial of service. (CVE-2014-6053)\n\nIt was discovered that Vino incorrectly handled certain packet lengths. A\nremote attacker could possibly use this issue to obtain sensitive\ninformation, cause a denial of service, or execute arbitrary code.\n(CVE-2018-7225)\n\nPavel Cheremushkin discovered that an information disclosure vulnerability\nexisted in Vino when sending a ServerCutText message. An attacker could\npossibly use this issue to expose sensitive information. (CVE-2019-15681)\n\nIt was discovered that Vino incorrectly handled region clipping. A remote\nattacker could possibly use this issue to cause Vino to crash, resulting in\na denial of service. (CVE-2020-14397)\n\nIt was discovered that Vino incorrectly handled encodings. A remote\nattacker could use this issue to cause Vino to crash, resulting in a denial\nof service, or possibly execute arbitrary code. (CVE-2020-14402,\nCVE-2020-14403, CVE-2020-14404)\n","status":"published","published":"2020-10-07T12:45:39Z","modified":"2026-04-27T15:43:30.812322Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}