#VU103422 Resource exhaustion in go-git - CVE-2025-21614

Vulnerability identifier: #VU103422

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21614

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
go-git
Universal components / Libraries / Programming Languages & Components

Vendor: go-git

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling responses from a malicious Git server. A remote attacker can trick the victim into connecting to a malicious Git server and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

go-git: 4.0.0 - 5.12.0

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External links
https://github.com/go-git/go-git/security/advisories/GHSA-r9px-m959-cxf4

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.