Red Hat CVE-2026-34165
MEDIUM
GHSA-jhf3-xxhw-2wpp
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
3DescriptionNVD
Impact
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.
Patches
Users should upgrade to v5.17.1, or the latest v6 pseudo-version, in order to mitigate this vulnerability.
Credit
The go-git maintainers thank @kq5y for finding and reporting this issue privately to the go-git project.
AnalysisAI
Maliciously crafted .idx files in go-git v5 cause asymmetric memory consumption leading to Denial of Service through integer overflow vulnerabilities. Exploitation requires local write access to the .git directory, limiting attack surface to scenarios where an attacker has already compromised repository access or can inject files into a shared repository. …
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