UBUNTU-CVE-2026-34165

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 31 Mar 2026, 15:16
Last modified:20 May 2026, 16:25

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

31 Mar 2026, 15:16
Published
Vulnerability first disclosed
20 May 2026, 16:25
Last Modified
Vulnerability information updated

Description

go-git is an extensible git implementation library written in pure Go. From version 5.0.0 to before version 5.17.1, a vulnerability has been identified in which a maliciously crafted .idx file can cause asymmetric memory consumption, potentially exhausting available memory and resulting in a denial-of-service (DoS) condition. Exploitation requires write access to the local repository's .git directory, it order to create or alter existing .idx files. This issue has been patched in version 5.17.1.

CVSS Metrics

  • v3.1MEDIUMScore: 5CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntugolang-github-go-git-go-git

    all | all | all

References (4)