Vulnerability · Published Nov 28, 2023 · Assigned by vmware
CVE-2023-34053Spring Framework server Web Observations DoS Vulnerability
Medium 5.3
In plain English
A medium-severity security flaw in Spring Framework from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In Spring Framework versions 6.0.0 - 6.0.13, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. Specifically, an application is vulnerable when all of the following are true: * the application uses Spring MVC or Spring WebFlux * io.micrometer:micrometer-core is on the classpath * an ObservationRegistry is configured in the application to record observations Typically, Spring Boot applications need the org.springframework.boot:spring-boot-actuator dependency to meet all conditions.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.springframework:spring-webmvc | 6.0.14 | GHSA-v94h-hvhg-mf9h |
| Ubuntu:25.10 | libspring-java | no fix listed | UBUNTU-CVE-2023-34053 |
| Ubuntu:26.04:LTS | libspring-java | no fix listed | UBUNTU-CVE-2023-34053 |
| Ubuntu:26.10 | libspring-java | no fix listed | UBUNTU-CVE-2023-34053 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Framework | 6.0.0 – before 6.0.14 |