Buffer overflow in Kaspersky Lab Ultravnc

CVE-2019-8276

UltraVNC revision 1211 has a stack buffer overflow vulnerability in VNC server code inside file transfer request handler, which can result in Denial of Service (DoS). This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.

Vulnerability class: Buffer Overflow

EPSS: 0.057 (92.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8276?
CVE-2019-8276 is a high-severity vulnerability in Kaspersky Lab Ultravnc, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2019-03-08.
How severe is CVE-2019-8276?
High severity. CVSS v3 base score is 7.5 out of 10.