What’s Vulnerable › Vulnerabilities

CVE-2019-15694

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-26 · updated 2026-06-17
• Weakness: CWE-122

Description

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

Affected products

• openSUSE Leap: 15.1
• Kaspersky TigerVNC: before 1.10.1 — fixed in 1.10.1

How to fix

Upgrade to a fixed version: Kaspersky TigerVNC 1.10.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
• https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
• https://www.openwall.com/lists/oss-security/2019/12/20/2
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
• https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
• https://www.openwall.com/lists/oss-security/2019/12/20/2

Get alerted when CVE-2019-15694 or the next vulnerability affects your stack