CVE-2023-49568 - CVE House
Back to Database
Status published High CVE-2023-49568

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-49568

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ionuț Lalu

References

More from go-git

View All →
CVE-2025-21614
go-git clients vulnerable to DoS via maliciously crafted Git server replies
High 7.5
CVE-2025-21613
go-git has an Argument Injection via the URL field
Critical 9.2
CVE-2023-49569
Maliciously crafted Git server replies can lead to path traversal and RCE on go-git clients
Critical 9.8

Affected Vendor

Affected Software

go-git
Vulnerable Versions:
5.11.0

Timeline

Official Publish: January 12th, 2024
Last Modified: June 17th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-20

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact