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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Kerby | < 2.1.2 | 2.1.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | celeborn-0.6 +2 | No fix yet | — |
| Wolfi rolling | druid | 38.0.0-r8 | — |
| Wolfi rolling | keycloak-26.6 +1 | 26.6.7-r12 | — |
| Wolfi rolling | tez | 0.10.5-r39 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.kerby:kerby-asn1 | < 2.1.2 | 2.1.2 | GHSA-x6vc-x4v4-hjhr |
Advisories 1
- WID-SEC-2026-2801 IBM InfoSphere Information Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 12, 2026
References
- https://lists.apache.org/thread/w98h2q8wz0bq97vhz4vf55hqomcb2j1m vendor-advisory