Alpine: multiple openjdk21 packages: security update to 21.0.10_p7-r0

high Tenable Cloud Security Plugin ID 437387

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of
Oracle Java SE (component: RMI). Supported versions that are affected are Oracle Java SE: 8u471,
8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9;
Oracle GraalVM Enterprise Edition: 21.3.16. Difficult to exploit vulnerability allows unauthenticated
attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK,
Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM
Enterprise Edition accessible data as well as unauthorized read access to a subset of Oracle Java SE,
Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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. (CVE-2026-21925)

- Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of
Oracle Java SE (component: AWT, JavaFX). Supported versions that are affected are Oracle Java SE: 8u471,
8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9;
Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated
attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK,
Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than
the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM
Enterprise Edition, 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, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition 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). (CVE-2026-21932)

- Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of
Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u471,
8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9;
Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated
attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK,
Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than
the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM
Enterprise Edition, attacks may significantly impact additional products (scope change). Successful
attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle
Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized
read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition
accessible data. 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. (CVE-2026-21933)

- Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of
Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u471,
8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9;
Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated
attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK,
Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized
ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM
for JDK, Oracle GraalVM Enterprise Edition. 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). (CVE-2026-21945)

See Also

https://security.alpinelinux.org/vuln/CVE-2026-21925

https://security.alpinelinux.org/vuln/CVE-2026-21932

https://security.alpinelinux.org/vuln/CVE-2026-21933

https://security.alpinelinux.org/vuln/CVE-2026-21945

Plugin Details

Severity: High

ID: 437387

Version: Revision 1.6

Type: Local

Published: 1/29/2026

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.27

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-21932

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 1/20/2026

Reference Information

CVE: CVE-2026-21925, CVE-2026-21932, CVE-2026-21933, CVE-2026-21945