Enhance certificate processing
Common Vulnerabilities and Exposures Fixes for April 2026
Table of Contents
The following Azul Prime releases contain the April 2026 CPU release of OpenJDK:
| CPU | PSU |
|---|---|
26.02.100.0 |
- |
25.08.500.0 |
- |
The following table lists the latest CVE fixes added in the Azul Prime CPU release. The CVE IDs in the table apply to JDK 8, JDK 11, JDK 17, JDK 21, and JDK 25 unless noted otherwise.
April 2026 CVE Fix
CVSS VERSION 3.1 RISK
| CVE # | Component | Protocol | Remote Exploit w/o Auth. | Base Score | Attack Vector | Attack Complex | Privileges Req’d | User Interact | Scope | Confiden-tiality | Integrity | Availability | Versions Affected | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
JAXP |
Multiple |
Yes |
7.5 |
Network |
Low |
None |
None |
Unchanged |
High |
None |
None |
25, 21, 17, 11, 8 |
Note 2 |
|
Networking |
Multiple |
Yes |
7.5 |
Network |
Low |
None |
None |
Unchanged |
None |
None |
High |
25, 21, 17, 11 |
Note 2 |
|
JGSS |
Multiple |
Yes |
5.3 |
Network |
High |
None |
Required |
Unchanged |
High |
None |
None |
25, 21, 17, 11, 8 |
Note 1 |
|
JSSE |
HTTPS |
Yes |
5.3 |
Network |
Low |
None |
None |
Unchanged |
None |
None |
Low |
25, 21, 17, 11, 8 |
Note 2 |
|
2D (FreeType) |
None |
No |
5.3 |
Local |
Low |
None |
Required |
Unchanged |
Low |
Low |
Low |
25, 21, 17, 11, 8 |
Note 2 |
|
Libraries |
Multiple |
Yes |
3.7 |
Network |
High |
None |
None |
Unchanged |
None |
Low |
None |
25 |
Note 1 |
|
Libraries |
Multiple |
Yes |
3.7 |
Network |
High |
None |
None |
Unchanged |
None |
None |
Low |
25, 21, 17, 11, 8 |
Note 2 |
|
Security |
None |
No |
2.9 |
Local |
High |
None |
None |
Unchanged |
Low |
None |
None |
25, 21, 17, 11, 8 |
Note 2 |
|
Security |
None |
No |
2.9 |
Local |
High |
None |
None |
Unchanged |
Low |
None |
None |
25, 21, 17, 11, 8 |
Note 2 |
|
CVE-2026-20652 This CVE is not applicable to Azul Zing Builds of OpenJDK. It is listed here for comparison with other Java implementations which may contain this CVE. |
JavaFX (WebKitGTK) |
Multiple |
Yes |
7.5 |
Network |
Low |
None |
None |
Unchanged |
None |
None |
High |
None |
Note 1, Note 3 |
CVE-2026-22003 This CVE is not applicable to Azul Zing Builds of OpenJDK. It is listed here for comparison with other Java implementations which may contain this CVE. |
Hotspot |
None |
No |
6.0 |
Local |
High |
Low |
Required |
Unchanged |
None |
High |
High |
None |
Note 1 |
Notes:
| ID | Notes |
|---|---|
1 |
This vulnerability applies to Java deployments, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). |
2 |
This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. |
3 |
The patch for CVE-2026-20652 also addresses CVE-2025-43457, CVE-2026-20608, CVE-2026-20635, CVE-2026-20636, CVE-2026-20644, and CVE-2026-20676. |
Base and Impact Metric:
| Metrics | Values |
|---|---|
Attack Vector |
Network (N), Adjacent (A), Local (L), and Physical (P) |
Attack Complexity |
Low (L) and High (H) |
Privileges Required |
None (N), Low (L), and High (H) |
User Interaction |
None (N) and Required (R) |
Scope |
Unchanged (U) and Changed (C) |
Confidentiality Impact |
High (H), Low (L), and None (N) |
Integrity Impact |
High (H), Low (L), and None (N) |
Availability Impact |
High (H), Low (L), and None (N) |
In-Depth Non-CVE Security Fixes
The following table lists the in-depth non-CVE security fixes implemented specifically for Azul Prime.
April 2026 Non-CVE Security Fix
| OpenJDK Patch ID | Azul Prime Version | Synopsis | CPU/PSUCPU fixes are included in both CPU and PSU bundles. PSU fixes are included in the PSU bundles only. |
|---|---|---|---|
8,11,17,21,25 |
PSU |
||
21 |
Enhance Reference handling |
PSU |
|
8,11,17,21,25 |
Transform Affine transformations |
CPU,PSU |
|
8,11,17,21,25 |
Enhance behavior of some intrinsics |
CPU,PSU |
|
8,11,17,21,25 |
Enhance ZipFile usage |
PSU |