CVE-2026-57914: Apache Kerby · Uncontrolled Resource Consumption
Affects Apache KerbySource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to 2.1.2 when convenient.
Data as of 7 Nov 2026, 23:24 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 38% 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 8 Nov 2026.
What to do
Upgrade Apache to 2.1.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software FoundationApache Kerby | Affected
| Fixed in
|
MavenApache Software Foundation/org.apache.kerby:kerby-asn1pkg:maven/Apache Software Foundation/org.apache.kerby:kerby-asn1Other threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should upgrade Apache Kerby to version 2.1.2 or later, which contains the fix for this vulnerability. No other mitigation guidance is provided by the vendor advisory.
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.