UL
Product
UltraVNC
by Ultravnc · last CVE Mar 27, 2026
13
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 5High 3Medium 0Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2019-8258
9.8
4%
Mar 5
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution
Affected: 1.2.2.3
CVE-2019-8262
9.8
5%
Mar 5
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution
Affected: 1.2.2.3
CVE-2019-8261
9.8
2%
Mar 5
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow
Affected: 1.2.2.3
CVE-2019-8260
9.8
2%
Mar 5
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, caused by multiplication overflow
Affected: 1.2.2.3
CVE-2018-15361
9.8
3%
Mar 5
UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution
Affected: 1.2.2.3
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