Description
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | 156.0.8078.73 – < 156.0.8078.73 | 156.0.8078.73 |
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 | 156.0.8078.73-1 | — |
| Debian 13 | chromium | 156.0.8078.73-1~deb13u1 | — |
| Debian 12 | chromium | 156.0.8078.73-1~deb12u1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 156.0.8078.73-1.1 | openSUSE-SU-2026:12359-1 |
| openSUSE Leap 16.0 | chromium | 156.0.8078.73-bp160.1.1 | openSUSE-SU-2026:22202-1 |
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
-
al4n4n/CVE-2026-118306 ★ 1 · Nov 4, 2026
CVE-2026-118306: Chromium FileSystemAccessManagerImpl Use-After-Free (CVSS 9.6) - PoC, checker, detection rules
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- WID-SEC-2026-4210 Google Chrome: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Nov 11, 2026
- openSUSE-SU-2026:22202-1 Security update for chromium SUSE / openSUSE Security Updates · Oct 31, 2026
- openSUSE-SU-2026:12359-1 chromedriver-156.0.8078.73-1.1 on GA media SUSE / openSUSE Security Updates · Oct 31, 2026