Description
Vulnerability in Oracle Java SE (component: Networking). The supported version that is affected is Oracle Java SE: 27. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. Note: 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, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | Oracle Java SE | 27 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openjdk-27 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | openjdk-27 | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | java-1.8.0-amazon-corretto +2 | 1:1.8.0_512.b08-1.amzn2023 | ALAS2023-2026-3315 |
| Amazon Linux 2023 | java-11-amazon-corretto +5 | 1:11.0.33.0.9-1.amzn2023 | ALAS2023-2026-3317 |
| Amazon Linux 2023 | java-17-amazon-corretto +5 | 1:17.0.21.0.10-1.amzn2023.1 | ALAS2023-2026-3318 |
| Amazon Linux 2023 | java-21-amazon-corretto +5 | 1:21.0.13.0.10-1.amzn2023.1 | ALAS2023-2026-3319 |
| Amazon Linux 2023 | java-25-amazon-corretto +5 | 1:25.0.5.0.9-1.amzn2023.1 | ALAS2023-2026-3320 |
| Amazon Linux 2023 | java-27-amazon-corretto +5 | 1:27.0.1.0.10-1.amzn2023.1 | ALAS2023-2026-3316 |
| Amazon Linux 2 | java-11-amazon-corretto +3 | 1:11.0.33.0.9-1.amzn2 | ALAS2-2026-4039 |
| Amazon Linux 2 | java-17-amazon-corretto +5 | 1:17.0.21.0.10-1.amzn2.1 | ALAS2-2026-4040 |
Advisories 10
- WID-SEC-2026-4079 Oracle Java SE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- ALAS2023-2026-3320 Important: java-25-amazon-corretto security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2023-2026-3315 Important: java-1.8.0-amazon-corretto security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2023-2026-3316 Important: java-27-amazon-corretto security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2023-2026-3317 Important: java-11-amazon-corretto security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2023-2026-3318 Important: java-17-amazon-corretto security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2023-2026-3319 Important: java-21-amazon-corretto security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2-2026-4039 Important: java-11-amazon-corretto security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- ALAS2-2026-4040 Important: java-17-amazon-corretto security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 4, 2026
- NCSC-2026-0449 Meerdere kwetsbaarheden verholpen in Oracle Java NCSC-NL (Netherlands) · Oct 22, 2026
References
- Oracle Advisory vendor-advisory