CVE-2026-57914: Org.apache.kerby:kerby asn1: Apache Kerby vulnerable to denial of service
Affects org.apache.kerby:kerby-asn1Source GCVE Database
Not known to be exploited · CVSS 6.5 Medium : upgrade to 2.1.2 when convenient.
Data as of 3 Nov 2026, 22:58 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.1.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Upgrade org.apache.kerby:kerby-asn1 to 2.1.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Mavenorg.apache.kerby:kerby-asn1 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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.
References
- nvd.nist.gov/vuln/detail/CVE-2026-57914 (opens in a new tab)
- github.com/apache/directory-kerby/commit/0bcd73eb9eb54622b84539b5fc23066057c6b5e8 (opens in a new tab)
- github.com/apache/directory-kerby (opens in a new tab)
- github.com/apache/directory-kerby/releases/tag/kerby-all-2.1.2 (opens in a new tab)
- lists.apache.org/thread/w98h2q8wz0bq97vhz4vf55hqomcb2j1m (opens in a new tab)
- openwall.com/lists/oss-security/2026/06/26/7 (opens in a new tab)