Update Info


Security update for LibVNCServer

Type: security
Severity: important
Issued: 2020-07-15
This update for LibVNCServer fixes the following issues:

- security update
- added patches
  fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak
  + LibVNCServer-CVE-2018-21247.patch
  fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock()
  + LibVNCServer-CVE-2019-20839.patch
  fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service
  + LibVNCServer-CVE-2019-20840.patch
  fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c
  + LibVNCServer-CVE-2020-14398.patch
  fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c
  + LibVNCServer-CVE-2020-14397.patch
  fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.
  + LibVNCServer-CVE-2020-14399.patch
  fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.
  + LibVNCServer-CVE-2020-14400.patch
  fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c
  + LibVNCServer-CVE-2020-14401.patch
  fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.
  + LibVNCServer-CVE-2020-14402,14403,14404.patch
  fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite



  • LibVNCServer-0.9.10-4.22.1