CVE-2026-87491

Publication date 10 September 2026

Last updated 11 September 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

(Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allo ...)

Read the notes from the security team

Why is this CVE high priority?

CVE in the CISA KEV

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	26.04 LTS resolute	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 8.8 · High

Base metrics

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

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

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

References

Other references

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