CVE-2019-15683

Name: CVE-2019-15683
Creator: NVD / NIST
Published: 2019-10-29T19:15:18.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 19.39%

Last modified Jun 17, 2026

CVE-2019-15683 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TurboVNC server code contains stack buffer overflow vulnerability in commit prior to cea98166008301e614e0d36776bf9435a536136e. This could possibly result into remote code execution, since stack frame is not protected with stack canary. EPSS estimates a 19.39% chance of exploitation in the next 30 days.

Description

TurboVNC server code contains stack buffer overflow vulnerability in commit prior to cea98166008301e614e0d36776bf9435a536136e. This could possibly result into remote code execution, since stack frame is not protected with stack canary. This attack appear to be exploitable via network connectivity. To exploit this vulnerability authorization on server is required. These issues have been fixed in commit cea98166008301e614e0d36776bf9435a536136e.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

19.39%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Turbovnc	Turbovnc	< 2.2.3

References

https://github.com/TurboVNC/turbovnc/commit/cea98166008301e614e0d36776bf9435a536136ePatch, Third Party Advisory
https://github.com/TurboVNC/turbovnc/commit/cea98166008301e614e0d36776bf9435a536136ePatch, Third Party Advisory

Timeline

Published: Oct 29, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15683?

How severe is CVE-2019-15683?

CVE-2019-15683 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 19.39% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15683?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-15683?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST