High severity7.5NVD Advisory· Published Mar 8, 2019· Updated Jun 17, 2026

CVE-2019-8270

Description

UltraVNC revision 1210 has out-of-bounds read vulnerability in VNC client code inside Ultra decoder, which results in a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1211.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Uvnc/Ultravnc
cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*
Range: <1.2.2.3
Ultravnc/Ultravncllm-fuzzy
Range: = 1210
Kaspersky Lab/UltraVNCv5
Range: 1.2.2.3

Patches

Vulnerability mechanics

References

ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-017-ultravnc-out-of-bounds-read/nvdThird Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfnvd
www.us-cert.gov/ics/advisories/icsa-20-161-06nvd

News mentions

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epss	0.002
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