CVE-2019-15693
tigervnc: Heap buffer overflow in TightDecoder::FilterGradient
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 20, 2019
Updated · November 22, 2025
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-122 · Heap-based Buffer Overflow