CVE-2025-21614— go-git clients vulnerable to DoS via maliciously crafted Git server replies
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I. Basic Information for CVE-2025-21614
Vulnerability Information
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Vulnerability Title
go-git clients vulnerable to DoS via maliciously crafted Git server replies
Source: NVD (National Vulnerability Database)
Vulnerability Description
go-git is a highly extensible git implementation library written in pure Go. A denial of service (DoS) vulnerability was discovered in go-git versions prior to v5.13. This vulnerability allows an attacker to perform denial of service attacks by providing specially crafted responses from a Git server which triggers resource exhaustion in go-git clients. Users running versions of go-git from v4 and above are recommended to upgrade to v5.13 in order to mitigate this vulnerability.
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
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
go-git 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
go-git是go-git开源的一个用纯 Go 编写的高度可扩展的 git 实现库。 go-git v5.13之前版本存在安全漏洞，该漏洞源于存在拒绝服务(DoS)漏洞，允许攻击者通过提供来自Git服务器的特制响应来执行拒绝服务攻击，从而触发go-git客户端中的资源耗尽。
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-2025-21614
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IV. Related Vulnerabilities
Same product: go-git
- CVE-2026-41506
go-git Credential leak via cross-host redirect in smart HTTP - CVE-2026-33762
go-git: Missing validation decoding Index v4 files leads to - CVE-2026-34165
go-git: Maliciously crafted idx file can cause asymmetric me - CVE-2026-25934
go-git improperly verifies data integrity values for .idx an - CVE-2025-21613
go-git has an Argument Injection via the URL field
Same vendor: go-git
- CVE-2026-41506
go-git Credential leak via cross-host redirect in smart HTTP - CVE-2026-33762
go-git: Missing validation decoding Index v4 files leads to - CVE-2026-34165
go-git: Maliciously crafted idx file can cause asymmetric me - CVE-2026-25934
go-git improperly verifies data integrity values for .idx an - CVE-2025-21613
go-git has an Argument Injection via the URL field
Same weakness: CWE-400
- CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service - CVE-2026-32936
CoreDNS DoH GET path missing size validation causes CPU and
V. Comments for CVE-2025-21614
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