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CVE-2026-0818
4.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): Required (R)
- 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): Required (R)
- Modified Confidentiality (MC): Low (L)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
CSS-based exfiltration of the content from partially encrypted emails when allowing remote content
CSS-based exfiltration of the content from partially encrypted emails when allowing remote content. This vulnerability affects Thunderbird < 147.0.1 and Thunderbird < 140.7.1.
References
Affected products
Thunderbird
- <140.7.1
- <147.0.1
Matching in nixpkgs
pkgs.thunderbird-unwrapped
Full-featured e-mail client
-
nixos-unstable -
- nixpkgs-unstable 145.0
pkgs.thunderbird-128-unwrapped
Full-featured e-mail client
pkgs.thunderbird-140-unwrapped
Full-featured e-mail client
-
nixos-unstable 140.5.0esr
- nixpkgs-unstable 140.5.0esr
- nixos-unstable-small 140.5.0esr
pkgs.thunderbird-esr-unwrapped
Full-featured e-mail client
-
nixos-unstable -
- nixpkgs-unstable 140.5.0esr
- nixos-unstable-small 140.5.0esr
pkgs.pkgsRocm.thunderbird-latest
Full-featured e-mail client
pkgs.thunderbird-latest-unwrapped
Full-featured e-mail client
pkgs.thunderbirdPackages.thunderbird
Full-featured e-mail client
-
nixos-unstable -
- nixpkgs-unstable 145.0
pkgs.roundcubePlugins.thunderbird_labels
None
pkgs.thunderbirdPackages.thunderbird-128
Full-featured e-mail client
pkgs.thunderbirdPackages.thunderbird-140
Full-featured e-mail client
-
nixos-unstable -
- nixpkgs-unstable 140.5.0esr
pkgs.thunderbirdPackages.thunderbird-esr
Full-featured e-mail client
-
nixos-unstable 140.5.0esr
- nixpkgs-unstable 140.5.0esr
- nixos-unstable-small 140.5.0esr
pkgs.thunderbirdPackages.thunderbird-latest
Full-featured e-mail client
pkgs.pkgsRocm.thunderbirdPackages.thunderbird-latest
Full-featured e-mail client
Package maintainers
-
@lovesegfault Bernardo Meurer <meurerbernardo@gmail.com>
-
@vcunat Vladimír Čunát <v@cunat.cz>
-
@nbp Nicolas B. Pierron <nixos@nbp.name>
-
@booxter Ihar Hrachyshka <ihar.hrachyshka@gmail.com>