CVE-2026-10037

Publication date 8 July 2026

Last updated 8 July 2026


Ubuntu priority

Description

A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment.

Read the notes from the security team

Status

Package Ubuntu Release Status
mailcap 26.04 LTS resolute
Fixed 3.75ubuntu1.1
25.10 questing
Fixed 3.74ubuntu1.1
24.04 LTS noble
Fixed 3.70+nmu1ubuntu1.24.04.1
22.04 LTS jammy
Fixed 3.70+nmu1ubuntu1.22.04.1
openjdk-8 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
openjdk-9 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
openjdk-lts 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
openjdk-13 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored superseded by openjdk-17
openjdk-16 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored superseded by openjdk-17
openjdk-17 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
openjdk-17-crac 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
openjdk-18 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Ignored superseded by openjdk-19
openjdk-21 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
openjdk-21-crac 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
openjdk-25 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected

Notes


federicoquattrin

The mailcap package has been updated to block jar file execution. This make the openjdk packages not vulnerable to this issue.

References

Related Ubuntu Security Notices (USN)

Other references


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