Medium severity · published Jun 26, 2026
CVE-2026-57914
Apache Kerby: StackOverflow on parsing deeply nested ASN1 structures
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AK
Apache Kerby · Apache Software Foundation
before 2.1.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57914
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57914
lists.apache.org
https://lists.apache.org/thread/w98h2q8wz0bq97vhz4vf55hqomcb2j1m
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/06/26/7
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