CVE-2026-9121

high

Published 2026-05-20 · Modified 2026-05-21

CVSS v3

8.8

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

CVSS v2

—

VIR risk

8.8

Description

Out of bounds read in GPU in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-9121

vendor Authored 2026-05-27

Vendor advisory: chrome-cve-admin@google.com — https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`148.0.7778.178-1~deb12u1`
debian	bullseye	affected
debian	forky	fixed	`148.0.7778.178-1`
debian	sid	fixed	`148.0.7778.178-1`
debian	trixie	fixed	`148.0.7778.178-1~deb13u1`
macos	-	not-affected
linux-kernel	-	not-affected

Application impact

Vendor	Product	Versions	Fixed
google	chrome	`{"endExcluding":"148.0.7778.178"}`	`148.0.7778.178`

References

CWEs

CWE-125

Verify integrity in audit chain (admin only). AS-IS.