CVE-2026-4453

Publication date 20 March 2026

Last updated 23 March 2026

Ubuntu priority

Cvss 3 Severity Score

Description

Integer overflow in Dawn in Google Chrome on Mac prior to 146.0.7680.153 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	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

CVSS version: CVSS v3.0

Base score 4.3 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	Low
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	4.3 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N