CVE-2025-27788— Ruby JSON Parser has Out-of-bounds Read
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I. Basic Information for CVE-2025-27788
Vulnerability Information
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Vulnerability Title
Ruby JSON Parser has Out-of-bounds Read
Source: NVD (National Vulnerability Database)
Vulnerability Description
JSON is a JSON implementation for Ruby. Starting in version 2.10.0 and prior to version 2.10.2, a specially crafted document could cause an out of bound read, most likely resulting in a crash. Versions prior to 2.10.0 are not vulnerable. Version 2.10.2 fixes the problem. No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ruby 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ruby是松本行弘（Yukihiro Matsumoto）个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby 2.10.0版本至2.10.2之前版本存在缓冲区错误漏洞，该漏洞源于特制文档可能导致越界读取，从而导致崩溃。
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-2025-27788
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- https://github.com/ruby/json/releases/tag/v2.10.2x_refsource_MISC
- https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2025-27788
IV. Related Vulnerabilities
Same vendor: ruby
- CVE-2026-42258
net-imap: Command Injection via unvalidated Symbol inputs - CVE-2026-42257
net-imap: Command Injection via "raw" arguments to multiple - CVE-2026-42256
net-imap: Denial of service via high iteration count for `SC - CVE-2026-42245
net-imap: Quadratic complexity when reading response literal - CVE-2026-42246
net-imap vulnerable to STARTTLS stripping via invalid respon
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2025-27788
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