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Permalink CVE-2026-10037
8.8 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Changed (C)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
created 1 week ago Activity log
  • Created suggestion 1 week ago
Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal

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.

Affected products

mailcap
  • <3.75ubuntu1.1
  • <3.70+nmu1ubuntu1.24.04.1
  • <3.74ubuntu1.1
  • <3.70+nmu1ubuntu1.22.04.1
openjdk-8
openjdk-9
openjdk-13
openjdk-16
openjdk-17
openjdk-18
openjdk-21
openjdk-25
openjdk-lts

Matching in nixpkgs

pkgs.mailcap

Helper application and MIME type associations for file types

pkgs.ubuntu-themes

Ubuntu monochrome and Suru icon themes, Ambiance and Radiance themes, and Ubuntu artwork

pkgs.gnomeExtensions.ubuntu-net-speed

A simple extension that shows the current network speed

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    • nixos-unstable-small 4
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    • nixpkgs-26.05-darwin 4