Description
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References (4)
Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://www.openwall.com/lists/oss-security/2019/12/20/2
Broken Link vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
Scores
CVSS v3
7.2
EPSS
0.0896
EPSS Percentile
92.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (1)
tigervnc/tigervnc
< 1.10.1
Published
Dec 26, 2019
Tracked Since
Feb 18, 2026