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Untriaged
Permalink CVE-2026-12301
5.3 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
created 3 days, 13 hours ago Activity log
  • Created suggestion 3 days, 13 hours ago
Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Affected products

Firefox
  • =<*
Thunderbird
  • =<*

Matching in nixpkgs

pkgs.firefox_decrypt

Tool to extract passwords from profiles of Mozilla Firefox and derivates

  • nixos-unstable 1.1.3
    • nixpkgs-unstable 1.1.3
    • nixos-unstable-small 1.1.3
  • nixos-26.05 -
    • nixos-26.05-small 1.1.3
    • nixpkgs-26.05-darwin 1.1.3

pkgs.thunderbird-cli

Low-level CLI to manage Mozilla Thunderbird email from the shell

  • nixos-unstable 1.0.2
    • nixpkgs-unstable 1.0.2
    • nixos-unstable-small 1.0.2
  • nixos-26.05 -
    • nixos-26.05-small 1.0.2
    • nixpkgs-26.05-darwin 1.0.2

pkgs.thunderbird-mcp

MCP server for Thunderbird - enables AI assistants to access email, contacts, and calendars

  • nixos-unstable 0.5.0
    • nixpkgs-unstable 0.6.0
    • nixos-unstable-small 0.6.0
  • nixos-26.05 -
    • nixos-26.05-small 0.5.0
    • nixpkgs-26.05-darwin 0.5.0

pkgs.firefox-sync-client

Commandline-utility to list/view/edit/delete entries in a firefox-sync account

  • nixos-unstable 1.9.0
    • nixpkgs-unstable 1.9.0
    • nixos-unstable-small 1.9.0
  • nixos-26.05 -
    • nixos-26.05-small 1.9.0
    • nixpkgs-26.05-darwin 1.9.0

pkgs.pkgsRocm.firefoxpwa

Tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox (native component)

pkgs.thunderbird-cli-mcp

MCP server that gives full access to your email through Mozilla Thunderbird

  • nixos-unstable 1.0.2
    • nixpkgs-unstable 1.0.2
    • nixos-unstable-small 1.0.2
  • nixos-26.05 -
    • nixos-26.05-small 1.0.2
    • nixpkgs-26.05-darwin 1.0.2

pkgs.thunderbird-cli-bridge

HTTP/WebSocket bridge daemon between thunderbird-cli (or any HTTP client) and the Thunderbird-cli WebExtension. Stateless proxy, localhost-only.

  • nixos-unstable 1.0.2
    • nixpkgs-unstable 1.0.2
    • nixos-unstable-small 1.0.2
  • nixos-26.05 -
    • nixos-26.05-small 1.0.2
    • nixpkgs-26.05-darwin 1.0.2

pkgs.gnomeExtensions.firefox-profiles

Easily launch Firefox with your favorite profile right from the indicator menu!

  • nixos-unstable 7
    • nixpkgs-unstable 7
    • nixos-unstable-small 7
  • nixos-26.05 -
    • nixos-26.05-small 7
    • nixpkgs-26.05-darwin 7

pkgs.gnomeExtensions.firefox-pip-always-on-top

Automatically sets Picture-in-Picture windows to always be on top and visible on all workspaces

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

pkgs.gnomeExtensions.pip-alwaysontop-for-firefox

Enable Picture-in-Picture(PIP) mode to always be on for Firefox in Gnome.

  • nixos-unstable 1
    • nixpkgs-unstable 1
    • nixos-unstable-small 1
  • nixos-26.05 -
    • nixos-26.05-small 1
    • nixpkgs-26.05-darwin 1

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