CVE-2019-15683

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-10-29 · updated 2026-06-17
Weakness: CWE-121

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.

Affected products

Kaspersky TurboVNC: before 2.2.3 — fixed in 2.2.3

How to fix

Upgrade to a fixed version: Kaspersky TurboVNC 2.2.3. Check the vendor advisory for mitigations.

References

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