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Vulnerability record · CVE-2019-15683 · published 29 October 2019

CVE-2019-15683: Turbovnc stack-based buffer overflow vulnerability

Turbovnc · Turbovnc

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.

9.8 CVSS 3.1 Critical EPSS 19% · top 2.7% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 7.5
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/TurboVNC/turbovnc/commit/cea98166008301e614e0d36776bf9435a536136e PatchThird Party Advisory
https://github.com/TurboVNC/turbovnc/commit/cea98166008301e614e0d36776bf9435a536136e PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-15683), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.