CVE Database›Document archive›CVE-2026-34165

CVE-2026-34165

github.com/go-git/go-git/v5: go-git: Denial of Service via crafted .idx file

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Severity

Moderate

Red Hat Product Security

5

CVSS 3.1

Review impact separately from score.

Published · March 31, 2026

Updated · June 30, 2026

Description

A flaw was found in go-git, an extensible Git implementation library. A local attacker with write access to a local repository's .git directory could create or alter a maliciously crafted .idx file. This could lead to asymmetric memory consumption, potentially exhausting available memory and causing a denial-of-service (DoS) condition.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 5
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CWE-770 · Allocation of Resources Without Limits or Throttling