Medium severity6.5NVD Advisory· Published Mar 5, 2019· Updated Jun 17, 2026
CVE-2019-8263
CVE-2019-8263
Description
UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p:*:*:*:*:*:*:*:*Range: <4.8
- cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc:*:*:*:*:*:*:*:*Range: <14.00
- cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc:*:*:*:*:*:*:*:*Range: <=12.01
- Kaspersky Lab/UltraVNCv5Range: 1.2.2.3
Patches
Vulnerability mechanics
References
7- cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfnvdThird Party Advisory
- ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/nvdNot ApplicableThird Party Advisory
- ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/nvdThird Party Advisory
- www.us-cert.gov/ics/advisories/icsa-20-161-06nvdThird Party AdvisoryUS Government Resource
- cert-portal.siemens.com/productcert/pdf/ssa-286838.pdfnvd
- cert-portal.siemens.com/productcert/pdf/ssa-940818.pdfnvd
- us-cert.cisa.gov/ics/advisories/icsa-21-131-11nvd
News mentions
0No linked articles in our index yet.