CVE-2019-8262
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I. Basic Information for CVE-2019-8262
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
UltraVNC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UltraVNC是一款用于Windows平台的开源远程终端控制软件。Ultra decoder是其中的一个Ultra解码器。 UltraVNC 1203版本中的Ultra解析器的VNC client代码存在堆缓冲区溢出漏洞。攻击者可利用该漏洞执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2019-8262
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.us-cert.gov/ics/advisories/icsa-20-161-06x_refsource_MISC
- SSA-940818 V1.0: UltraVNC Vulnerabilities in SIMATIC HMIs/WinCC Productsx_refsource_CONFIRM
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2019-8262
Same Patch Batch · UltraVNC · 2019-03-05 · 6 CVEs total
| CVE-2018-15361 | UltraVNC 缓冲区错误漏洞 | |
| CVE-2019-8258 | UltraVNC 缓冲区错误漏洞 | |
| CVE-2019-8259 | UltraVNC 资源管理错误漏洞 | |
| CVE-2019-8260 | UltraVNC 缓冲区错误漏洞 | |
| CVE-2019-8261 | UltraVNC 缓冲区错误漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-122
- CVE-2026-8261
Squirrel sqobject.cpp Load heap-based overflow - CVE-2026-8213
OSGeo gdal Grid File GDapi.c GDSDfldsrch heap-based overflow - CVE-2026-8212
OSGeo gdal SWapi.c SWSDfldsrch heap-based overflow - CVE-2026-42309
Pillow: Heap buffer overflow with nested list coordinates - CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading
V. Comments for CVE-2019-8262
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