CVE-2026-57914
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-57914- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2026-39648
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.
- Record
EUVD-2026-39648- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x6vc-x4v4-hjhr
Apache Kerby vulnerable to denial of service
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.
- Record
GHSA-x6vc-x4v4-hjhr- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-03
NVD
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.
- Record
CVE-2026-57914- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVGHSA-x6vc-x4v4-hjhr
Apache Kerby vulnerable to denial of service
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.
- Record
GHSA-x6vc-x4v4-hjhr- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-03
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.kerby:kerby-asn1Maven |
before 2.1.2 | 2.1.2 |
org.apache.kerby:kerby-asn1Maven |
before 2.1.2, plus listed versions 1.0.01.0.0-RC11.0.0-RC21.0.11.1.0 Show 7 moreShow less1.1.12.0.02.0.12.0.22.0.32.1.02.1.1 |
2.1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts, references | GitHub Advisories, OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-57914 is a medium vulnerability (CVSS 6.5) in Apache Software Foundation Kerby, published June 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. Fixed in org.apache.kerby:kerby-asn1 2.1.2.
References
lists.apache.org/thread/w98h2q8wz0bq97vhz4vf55hqomcb2j1m
openwall.com/lists/oss-security/2026/06/26/7
nvd.nist.gov/vuln/detail/CVE-2026-57914
github.com/apache/directory-kerby/commit/0bcd73eb9eb54622b84539b5fc23066057c6b5e8