Description
A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding, leading to slower requests with higher CPU time spent searching and adding the entry. This flaw allows an attacker to cause a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | RESTEasy | RESTEasy 4.5.6.Final | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | resteasy | No fix yet | — |
| Ubuntu 26.04 LTS | resteasy | No fix yet | — |
| Ubuntu 25.10 | resteasy | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jboss.resteasy:resteasy-bom | < 4.5.6.Final | 4.5.6.Final | GHSA-37g7-8vjj-pjpj |
Advisories 1
- WID-SEC-2023-1274 Red Hat OpenShift: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · May 22, 2023