VULNERABILITY INTELLIGENCE

CVE-2019-15693

CVSS score7.2 HIGH

EPSS probability4.28%

CISA KEVNot currently listed

Published2019-12-26

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

Primary references

vulnerability@kaspersky.com — Broken Link
vulnerability@kaspersky.com — Patch, Third Party Advisory
vulnerability@kaspersky.com — Release Notes, Third Party Advisory
vulnerability@kaspersky.com — Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Third Party Advisory