---
id: CVE-2026-57914
aliases:
  - GHSA-x6vc-x4v4-hjhr
title: Apache Kerby vulnerable to denial of service
summary: Apache Kerby vulnerable to denial of service
severity: medium
cvss: 6.5
cwe:
  - CWE-400
vendor: apache
product: 'org.apache.kerby:kerby-asn1'
ecosystem: maven
affected:
  - 'org.apache.kerby:kerby-asn1 < 2.1.2'
patched:
  - 'org.apache.kerby:kerby-asn1 2.1.2'
published: '2026-06-26'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T21:52:35Z'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-x6vc-x4v4-hjhr'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-57914'
  - url: 'https://lists.apache.org/thread/w98h2q8wz0bq97vhz4vf55hqomcb2j1m'
  - url: 'http://www.openwall.com/lists/oss-security/2026/06/26/7'
  - url: >-
      https://github.com/apache/directory-kerby/commit/0bcd73eb9eb54622b84539b5fc23066057c6b5e8
  - url: 'https://github.com/apache/directory-kerby/releases/tag/kerby-all-2.1.2'
  - url: 'https://github.com/advisories/GHSA-x6vc-x4v4-hjhr'
tags:
  - ghsa
  - maven
epss: 0.00436
epssPercentile: 0.37989
ingestedAt: '2026-11-03T21:55:50.534Z'
---

## Overview

By sending a deeply nested ASN1 structure to a Apache Kerby client or service, it's possible to trigger a StackOverFlow Exception which can lead to denial of service issues. Users are recommended to upgrade to version 2.1.2, which fixes this issue.

## Affected packages

- `org.apache.kerby:kerby-asn1 < 2.1.2`

## Remediation

Upgrade to a patched release:

- `org.apache.kerby:kerby-asn1 2.1.2`