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High severityNVD Advisory· Published Jan 12, 2024· Updated Jun 17, 2025

Maliciously crafted Git server replies can cause DoS on go-git clients

CVE-2023-49568

Description

A denial of service (DoS) vulnerability was discovered in go-git versions prior to v5.11. 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.

Applications using only the in-memory filesystem supported by go-git are not affected by this vulnerability. This is a go-git implementation issue and does not affect the upstream git cli.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/go-git/go-git/v5Go
< 5.11.05.11.0
gopkg.in/src-d/go-git.v4Go
>= 4.7.1, <= 4.13.1—

Affected products

116

Patches

Vulnerability mechanics

References

3

News mentions

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