go-git up to 5.12.x resource consumption

Summaryinfo

A vulnerability identified as problematic has been detected in go-git up to 5.12.x. This impacts an unknown function. This manipulation causes resource consumption. The identification of this vulnerability is CVE-2025-21614. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in go-git up to 5.12.x and classified as problematic. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-21614 since 12/29/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 213966 (SUSE SLES15 / openSUSE 15 Security Update : govulncheck-vulndb (SUSE-SU-2025:0060-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.13.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (213966) and CERT Bund (WID-SEC-2025-0123). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Amazon Linux 2
• Red Hat Enterprise Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• IBM MQ
• Red Hat OpenShift

Productinfo

Type

• Versioning Software

Name

• go-git

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12

Website

• Product: https://github.com/go-git/go-git/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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