#VU112643 Input validation error in Git - CVE-2025-27614

Vulnerability identifier: #VU112643

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-27614

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Git
Client/Desktop applications / Software for system administration

Vendor: Git

Description

The vulnerability allows a remote attacker to compromise the affected system.

A Git repository can be crafted in such a way that a user who has cloned the repository can be tricked into running any script supplied by the attacker by invoking `gitk filename`, where `filename` has a particular structure.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Git: 2.43.0, 2.43.1, 2.43.2, 2.43.3, 2.43.4, 2.43.5, 2.43.6, 2.44.0, 2.44.1, 2.44.2, 2.44.3, 2.45.0, 2.45.1, 2.45.2, 2.45.3, 2.46.0, 2.46.1, 2.46.2, 2.46.3, 2.47.0, 2.47.1, 2.47.2, 2.48.0, 2.48.1, 2.49.0, 2.50.0

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External links
https://www.openwall.com/lists/oss-security/2025/07/08/4
https://lore.kernel.org/git/xmqq5xg2wrd1.fsf@gitster.g/

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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.