CVE-2026-28364
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I. Basic Information for CVE-2026-28364
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization (runtime/intern.c) enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock() function, which performs unbounded memcpy() operations using attacker-controlled lengths from crafted Marshal data.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
Vulnerability Title
OCaml Security Advisory Database 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OCaml Security Advisory Database是OCaml开源的一个安全数据库。 OCaml Security Advisory Database 4.14.3之前版本和5.4.1之前的5.x版本存在安全漏洞，该漏洞源于Marshal反序列化时存在缓冲区过度读取，可能导致远程代码执行。
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-2026-28364
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IV. Related Vulnerabilities
Same product: OCaml
V. Comments for CVE-2026-28364
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