------------------------------------------------------------------------- Debian LTS Advisory DLA-2396-1 debian-...@lists.debian.org https://www.debian.org/lts/security/ Roberto C. Sánchez October 06, 2020 https://wiki.debian.org/LTS -------------------------------------------------------------------------
Package : tigervnc Version : 1.7.0+dfsg-7+deb9u2 CVE ID : CVE-2020-26117 Debian Bug : 971272 A vulnerability was discovered in tigernvc, a Virtual Network Computing client and server implementation. The viewer implementation mishandles TLS certificate exceptions, storing the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception. For Debian 9 stretch, this problem has been fixed in version 1.7.0+dfsg-7+deb9u2. We recommend that you upgrade your tigervnc packages. For the detailed security status of tigervnc please refer to its security tracker page at: https://security-tracker.debian.org/tracker/tigervnc Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS
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