Description
Vulnerability in Oracle Java SE (component: Java plugin). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE executes to compromise Oracle Java SE. While the vulnerability is in Oracle Java SE, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE accessible data. Note: This vulnerability 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. 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). CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | Oracle Java SE | 8u503, 8u503-perf | — |
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 | openjdk-8 +6 | No fix yet | — |
| Ubuntu 26.04 LTS | openjdk-8 +6 | No fix yet | — |
| Ubuntu 24.04 LTS | openjdk-8 +3 | No fix yet | — |
| Ubuntu 22.04 LTS | openjdk-8 +5 | No fix yet | — |
| Ubuntu 20.04 LTS | openjdk-13 +1 | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | openjdk-9 | No fix yet | — |
| Ubuntu Pro 24.04 LTS | openjdk-lts | No fix yet | — |
| Ubuntu Pro 20.04 LTS | openjdk-8 +3 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | openjdk-8 +2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | openjdk-8 | No fix yet | — |
Advisories 2
- WID-SEC-2026-4079 Oracle Java SE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- NCSC-2026-0449 Meerdere kwetsbaarheden verholpen in Oracle Java NCSC-NL (Netherlands) · Oct 22, 2026
References
- Oracle Advisory vendor-advisory