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Update module github.com/go-git/go-git/v5 to v5.17.1 [SECURITY] - autoclosed#405

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Update module github.com/go-git/go-git/v5 to v5.17.1 [SECURITY] - autoclosed#405
renovate[bot] wants to merge 1 commit intomainfrom
renovate/go-github.com-go-git-go-git-v5-vulnerability

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@renovate renovate bot commented Mar 30, 2026

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
github.com/go-git/go-git/v5 v5.17.0v5.17.1 age adoption passing confidence

GitHub Vulnerability Alerts

CVE-2026-33762

Impact

go-git’s index decoder for format version 4 fails to validate the path name prefix length before applying it to the previously decoded path name. A maliciously crafted index file can trigger an out-of-bounds slice operation, resulting in a runtime panic during normal index parsing.

This issue only affects Git index format version 4. Earlier formats (go-git supports only v2 and v3) are not vulnerable to this issue.

An attacker able to supply a crafted .git/index file can cause applications using go-git to panic while reading the index. If the application does not recover from panics, this results in process termination, leading to a denial-of-service (DoS) condition.

Exploitation requires the ability to modify or inject a Git index file within the local repository in disk. This typically implies write access to the .git directory.

Patches

Users should upgrade to v5.17.1, or the latest v6 pseudo-version, in order to mitigate this vulnerability.

Credit

go-git maintainers thank @​kq5y for finding and reporting this issue privately to the go-git project.


Release Notes

go-git/go-git (github.com/go-git/go-git/v5)

v5.17.1

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What's Changed

Full Changelog: go-git/go-git@v5.17.0...v5.17.1


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📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


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@renovate renovate bot added the dependencies Changes to the project's dependencies label Mar 30, 2026
@ericcornelissen
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Superseded by #404

@renovate renovate bot changed the title Update module github.com/go-git/go-git/v5 to v5.17.1 [SECURITY] Update module github.com/go-git/go-git/v5 to v5.17.1 [SECURITY] - autoclosed Mar 30, 2026
@renovate renovate bot closed this Mar 30, 2026
@renovate renovate bot deleted the renovate/go-github.com-go-git-go-git-v5-vulnerability branch March 30, 2026 17:25
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