This update for tigervnc provides the following fixes:
Security issues fixed:
- CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856). - CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc#1160250). - CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858). - CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251). - CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860).
Non-security issue fixed:
- Make sure CN in generated certificate doesn't exceed 64 characters. (bnc#1041847) - Change with-vnc-key.sh to generate TLS certificate using current hostname to keep it short. (bsc#1041847) - Disable MIT-SHM extension when running under user 'vnc'. (bsc#1053373)
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