CVE-2025-21614: GO-2025-3367 - Clients vulnerable to DoS via maliciously crafted Git server replies in github.com/go-git/go-git

Quick answers

Is CVE-2025-21614 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2025-21614 being exploited in the wild.

How severe is CVE-2025-21614?

Low severity, with a CVSS score of 3.1, published 7 January 2025.

Which products and versions are affected?

github.com/go-git/go-git (Go) SEMVER:introduced=4.0.0,last_affected=4.13.1; github.com/go-git/go-git/v4 (Go) SEMVER:introduced=4.0.0; github.com/go-git/go-git/v5 (Go) SEMVER:introduced=0,fixed=5.13.0; gopkg.in/src-d/go-git.v4 (Go) SEMVER:introduced=4.0.0, SEMVER:introduced=4.0.0,last_affected=4.13.1.

Is there a fix for CVE-2025-21614?

Yes. github.com/go-git/go-git/v5 (Go): upgrade to 5.13.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2025-21614?

Check whether you run github.com/go-git/go-git (Go), github.com/go-git/go-git/v4 (Go), github.com/go-git/go-git/v5 (Go) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• github.com/go-git/go-git/v5 (Go): upgrade to 5.13.0 or later

  go get github.com/go-git/go-git/v5@v5.13.0

Affected products

• github.com/go-git/go-git (Go) SEMVER:introduced=4.0.0,last_affected=4.13.1
• github.com/go-git/go-git/v4 (Go) SEMVER:introduced=4.0.0
• github.com/go-git/go-git/v5 (Go) SEMVER:introduced=0,fixed=5.13.0
• gopkg.in/src-d/go-git.v4 (Go) SEMVER:introduced=4.0.0, SEMVER:introduced=4.0.0,last_affected=4.13.1

Identifiers

• CVE-2025-21614
• GHSA-r9px-m959-cxf4
• GO-2025-3367