CVE-2026-11255

Publication date 8 June 2026

Last updated 8 June 2026


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

Insufficient validation of untrusted input in Storage Access API in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Read the notes from the security team

Status

Package Ubuntu Release Status
chromium-browser 26.04 LTS resolute
Not affected
25.10 questing
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected

Notes


alexmurray

The Debian chromium source package is called chromium-browser in Ubuntu


mdeslaur

starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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