CVE-2026-34165

MEDIUM EPSS 4.4%
Published Mar 31, 20263mo ago · Modified Jun 17, 20261w ago
5.0 CVSS 3.1
Medium
Find Similar
Published Mar 31, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
5.0
Exploitability
1.3
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-191
CWE-770

Affected Products 1

VendorProductVersionRange
go-git_projectgo-git*≥5.0.0  –  <5.17.1

References 2

  • github.com https://github.com/go-git/go-git/releases/tag/v5.17.1
    ProductRelease Notes
  • github.com https://github.com/go-git/go-git/security/advisories/GHSA-jhf3-xxhw-2wpp
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.