CVE-2025-21614 - CVE House
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Status published High CVE-2025-21614

go-git clients vulnerable to DoS via maliciously crafted Git server replies

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from go-git

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CVE-2025-21613
go-git has an Argument Injection via the URL field
Critical 9.2
CVE-2023-49569
Maliciously crafted Git server replies can lead to path traversal and RCE on go-git clients
Critical 9.8
CVE-2023-49568
Maliciously crafted Git server replies can cause DoS on go-git clients
High 7.5

Affected Vendor

Affected Software

go-git
Vulnerable Versions:
>= 4.0.0, < 5.13.0

Timeline

Official Publish: January 6th, 2025
Last Modified: August 26th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact