CVE-2026-113078: Improper input validation in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to
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CRITICAL 9.6
CVE-2026-113078 is a critical-severity flaw (CVSS 9.6) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper input validation in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Why this priority
- Critical severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.6 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.4% (top 67%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-10-20 |
| Last modified | 2026-10-22 |
Publisher (CNA): Chrome
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source
sudo dnf upgrade --advisory=FEDORA-2026-0602a84203
Ubuntu 22.04 · chromium-browser · NOT AFFECTED
Ubuntu 24.04 · chromium-browser · NOT AFFECTED
Debian 12 · chromium · FIXED · 156.0.8078.47-1~deb12u1
sudo apt update && sudo apt install --only-upgrade chromium
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "156.0.8078.47-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · chromium · FIXED · 156.0.8078.47-1~deb13u1
sudo apt update && sudo apt install --only-upgrade chromium
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "156.0.8078.47-1~deb13u1" && echo PATCHED || echo STILL-VULNERABLE
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.