CVE-2020-1916
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I. Basic Information for CVE-2020-1916
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An incorrect size calculation in ldap_escape may lead to an integer overflow when overly long input is passed in, resulting in an out-of-bounds write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0.
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
Katy Voor HHVM 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Katy Voor HHVM是 （Katy Voor）开源的一个应用软件。提供一个开放源代码的虚拟机，旨在执行用Hack编写的程序。 HHVM 存在安全漏洞，该漏洞源于传入的输入过长时，ldap转义中不正确的大小计算可能会导致整数溢出，从而导致写入越界。以下产品及版本受到影响： HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0。
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-2020-1916
| # | POC Description | Source Link | Shenlong Link |
|---|
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- security fixes · facebook/hhvm@abe0b29 · GitHubx_refsource_MISC
- https://hhvm.com/blog/2020/11/12/security-update.htmlx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-1916
Same Patch Batch · Facebook · 2021-03-10 · 7 CVEs total
| CVE-2020-1917 | Katy Voor HHVM 缓冲区错误漏洞 | |
| CVE-2020-1918 | Katy Voor HHVM 缓冲区错误漏洞 | |
| CVE-2020-1919 | Katy Voor HHVM 缓冲区错误漏洞 | |
| CVE-2020-1921 | Katy Voor HHVM 缓冲区错误漏洞 | |
| CVE-2021-24025 | Katy Voor HHVM 输入验证错误漏洞 | |
| CVE-2021-24030 | Facebook Gameroom 参数注入漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-122
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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-2020-1916
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