How severe is CVE-2023-49568?

CVE-2023-49568 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-2023-49568 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-2023-49568?

CVE-2023-49568 affects Go-git Project Go-git. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49568?

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-2023-49568 have an EU (EUVD) identifier?

Yes. CVE-2023-49568 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-3251.

When was CVE-2023-49568 published?

CVE-2023-49568 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2023-49568

CVE-2023-49568 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-20.

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-2023-3251
Weakness: CWE-20
Affected product: Go-git Project Go-git
Published: 2024-01-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-49568?: 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.
How severe is CVE-2023-49568?: CVE-2023-49568 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-2023-49568 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-2023-49568?: CVE-2023-49568 affects Go-git Project Go-git. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49568?: 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-2023-49568 have an EU (EUVD) identifier?: Yes. CVE-2023-49568 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-3251.
When was CVE-2023-49568 published?: CVE-2023-49568 was published on 2024-01-12 and last updated on 2026-06-17.

References

https://github.com/go-git/go-git/security/advisories/GHSA-mw99-9chc-xw7r

Affected products (1)

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

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