Description
Use after free in CSS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | 147.0.7727.101 – < 147.0.7727.101 | 147.0.7727.101 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | chromium | 147.0.7727.101-1 | — |
| Debian 13 | chromium | 147.0.7727.101-1~deb13u1 | — |
| Debian 12 | chromium | 147.0.7727.101-1~deb12u1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 147.0.7727.101-1.1 | openSUSE-SU-2026:10572-1 |
| openSUSE Leap 16.0 | chromium | 147.0.7727.137-bp160.1.1 | openSUSE-SU-2026:20660-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | qt6-qtwebengine | 6.11.0-r4 | — |
| Alpine v3.23 | qt6-qtwebengine | 6.10.3-r2 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | chromium | 147.0.7727.101-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
notthemystery/CVE-2026-6300-PoC ★ 0 · Jul 7, 2026
This is a Proof-of-Concept for the Blink CSS UAF vulnerability tracked as CVE-2026-6300.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- openSUSE-SU-2026:20660-1 Security update for chromium SUSE / openSUSE Security Updates · Sep 2, 2026
- WID-SEC-2026-1130 Google Chrome/Microsoft Edge: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 27, 2026
- openSUSE-SU-2026:10572-1 chromedriver-147.0.7727.101-1.1 on GA media SUSE / openSUSE Security Updates · Apr 19, 2026