How severe is CVE-2025-21614?

CVE-2025-21614 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-21614 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21614?

CVE-2025-21614 affects Go-git Project Go-git. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-21614?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-21614 have an EU (EUVD) identifier?

Yes. CVE-2025-21614 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0043.

When was CVE-2025-21614 published?

CVE-2025-21614 was published on 2025-01-06 and last updated on 2026-06-17.

CVE-2025-21614

CVE-2025-21614 is a high-severity vulnerability in Go-git Project Go-git with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-0043
Weakness: CWE-400
Affected product: Go-git Project Go-git
Published: 2025-01-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-21614?: 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.
How severe is CVE-2025-21614?: CVE-2025-21614 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-21614 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21614?: CVE-2025-21614 affects Go-git Project Go-git. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-21614?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-21614 have an EU (EUVD) identifier?: Yes. CVE-2025-21614 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0043.
When was CVE-2025-21614 published?: CVE-2025-21614 was published on 2025-01-06 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:go-git_project:go-git:*:*:*:*:*:go:*:*

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