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CVE-2025-21614: go-git clients vulnerable to DoS via maliciously crafted Git server replies

7.5 CVSS

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.

Classification

CVE ID: CVE-2025-21614

CVSS Base Severity: HIGH

CVSS Base Score: 7.5

Affected Products

Vendor: go-git

Product: go-git

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.48% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

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

Timeline