StackOverflow DoS via Nested ASN1 in Apache Kerby (<2.1.2)
CVE-2026-57914 Published on June 26, 2026
Apache Kerby: StackOverflow on parsing deeply nested ASN1 structures
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.
Vulnerability Analysis
CVE-2026-57914 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-57914 has been classified to as a Resource Exhaustion vulnerability or weakness.
Affected Versions
Apache Software Foundation Apache Kerby:- Before 2.1.2 is affected.