Description
Vulnerability in Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 21.0.12.1, 25.0.4.1 and 27. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | Oracle Java SE | 21.0.12.1, 25.0.4.1, 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-21 | 21.0.13+9-1 | — |
| Debian 14 | openjdk-25 | 25.0.5+8-1 | — |
| Debian 14 | openjdk-27 | No fix yet | — |
| Debian 13 | openjdk-21 | 21.0.13+9-1~deb13u2 | — |
| Debian 13 | openjdk-25 | 25.0.5+8-1~deb13u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | openjdk-21 | 21.0.13.0.3+1-1~26.10.1 | USN-9015-1 |
| Ubuntu 26.10 | openjdk-25 | 25.0.5.0.3+1-1~26.10.1 | USN-9004-1 |
| Ubuntu 26.10 | openjdk-27 | 27.0.1.0.3+1-1~26.10.1 | USN-9005-1 |
| Ubuntu 26.10 | openjdk-8 +4 | No fix yet | — |
| Ubuntu 26.04 LTS | openjdk-21 | 21.0.13.0.3+1-1~26.04.1 | USN-9015-1 |
| Ubuntu 26.04 LTS | openjdk-25 | 25.0.5.0.3+1-1~26.04.1 | USN-9004-1 |
| Ubuntu 26.04 LTS | openjdk-8 +4 | No fix yet | — |
| Ubuntu 24.04 LTS | openjdk-21 | 21.0.13.0.3+1-1~24.04.1 | USN-9015-1 |
| Ubuntu 24.04 LTS | openjdk-25 | 25.0.5.0.3+1-1~24.04.1 | USN-9004-1 |
| Ubuntu 24.04 LTS | openjdk-8 +1 | No fix yet | — |
| Ubuntu 22.04 LTS | openjdk-21 | 21.0.13.0.3+1-1~22.04.1 | USN-9015-1 |
| Ubuntu 22.04 LTS | openjdk-25 | 25.0.5.0.3+1-1~22.04.1 | USN-9004-1 |
| Ubuntu 22.04 LTS | openjdk-8 +3 | 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-21 | 21.0.13.0.3+1-1~20.04.1 | USN-9015-1 |
| Ubuntu Pro 20.04 LTS | openjdk-8 +2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | openjdk-8 +2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | openjdk-8 | No fix yet | — |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | java-21-openjdk +22 | 1:21.0.13.0.9-1.2.el10.alma.1 | ALSA-2026:90504 |
| AlmaLinux 10 | java-25-openjdk +25 | 1:25.0.5.0.8-1.0.el10.alma.1 | ALSA-2026:88347 |
| AlmaLinux 9 | java-21-openjdk +22 | 1:21.0.13.0.9-1.2.el9.alma.1 | ALSA-2026:88349 |
| AlmaLinux 9 | java-25-openjdk +25 | 1:25.0.5.0.8-1.0.el9.alma.1 | ALSA-2026:88347 |
| AlmaLinux 8 | java-21-openjdk | 1:21.0.13.0.9-1.1.el8 | ALSA-2026:88349 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | java-25-openjdk | 1:25.0.5.0.8-1.0.el9_8 | RLSA-2026:88347 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | java-21-openjdk | 21.0.13.0-1.1 | openSUSE-SU-2026:12328-1 |
| openSUSE Tumbleweed | java-25-openj9 +1 | 25.0.5.0-1.1 | openSUSE-SU-2026:12436-1, openSUSE-SU-2026:12329-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | openjdk17 | 17.0.21.0.3_p1-r0 | — |
| Alpine v3.24 | openjdk21 | 21.0.13.0.3_p1-r0 | — |
| Alpine v3.24 | openjdk25 | 25.0.5.0.3_p1-r0 | — |
| Alpine v3.23 | openjdk17 | 17.0.21.0.3_p1-r0 | — |
| Alpine v3.23 | openjdk21 | 21.0.13.0.3_p1-r0 | — |
| Alpine v3.23 | openjdk25 | 25.0.5.0.3_p1-r0 | — |
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 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | java-21-openjdk +22 | 1:21.0.13.0.9-1.2.0.1.el10 | ELSA-2026-90504 |
Advisories 21
- WID-SEC-2026-4079 Oracle Java SE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- USN-9015-1 openjdk-21 vulnerabilities Ubuntu Security Notices (USN) · Nov 11, 2026
- USN-9004-1 openjdk-25 vulnerabilities Ubuntu Security Notices (USN) · Nov 11, 2026
- USN-9005-1 openjdk-27 vulnerabilities Ubuntu Security Notices (USN) · Nov 11, 2026
- openSUSE-SU-2026:12436-1 java-25-openj9-25.0.5.0-1.1 on GA media SUSE / openSUSE Security Updates · Nov 6, 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
- 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
- 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
- ALSA-2026:90504 Important: java-21-openjdk security update for AlmaLinux 10 AlmaLinux Security Advisories · Oct 31, 2026
- ALSA-2026:88349 Important: java-21-openjdk security update for AlmaLinux 8 and 9 AlmaLinux Security Advisories · Oct 30, 2026
- ELSA-2026-90504 Important: java-21-openjdk security update for RHEL 10 (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Oct 30, 2026
- RLSA-2026:88347 Important: java-25-openjdk security update Rocky Linux Security Advisories · Oct 29, 2026
- openSUSE-SU-2026:12328-1 java-21-openjdk-21.0.13.0-1.1 on GA media SUSE / openSUSE Security Updates · Oct 29, 2026
- openSUSE-SU-2026:12329-1 java-25-openjdk-25.0.5.0-1.1 on GA media SUSE / openSUSE Security Updates · Oct 29, 2026
- ALSA-2026:88347 Important: java-25-openjdk security update AlmaLinux Security Advisories · Oct 29, 2026
- NCSC-2026-0449 Meerdere kwetsbaarheden verholpen in Oracle Java NCSC-NL (Netherlands) · Oct 22, 2026
References
- Oracle Advisory vendor-advisory