Denial of Service via Crafted HTTP/2 Requests in Oracle Helidon
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Oracle Corporation | Helidon | affected |
|
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Oracle | Helidon |
|
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.435% probability within 30 days)
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cspuaug2026.html |
|
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Crafted HTTP/2 Requests in Oracle Helidon |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). |
| CPEs | cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:* |
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP/2 Remote DoS via Helidon Imperative Web Server |
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP/2 Remote DoS via Helidon Imperative Web Server | |
| Weaknesses | CWE-1017 CWE-285 |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 | |
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP/2 Denial of Service in Oracle Helidon 4.5.0 |
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated HTTP/2 Denial of Service in Oracle Helidon 4.5.0 | |
| Weaknesses | CWE-1017 CWE-285 |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). | |
| First Time appeared |
Oracle
Oracle helidon |
|
| CPEs | cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle helidon |
|
| References |
| |
| Metrics |
cvssV3_1
|