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CVSS VectorVendor: google
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4DescriptionCVE.org
Use after free in Ozone in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
AnalysisAI
Remote code execution in Google Chrome versions prior to 149.0.7827.53 stems from a use-after-free flaw in the Ozone graphics abstraction layer, rated Critical by Chromium's internal severity classification. Remote attackers can trigger arbitrary code execution within the browser's rendering context by enticing a victim to visit a crafted HTML page. There is no public exploit identified at time of analysis, and CISA SSVC scoring indicates no observed exploitation, though the technical impact is rated total.
Technical ContextAI
Ozone is Chromium's platform abstraction layer that handles low-level window system, display, and input integration across Linux, ChromeOS, and other platforms, sitting between the browser process and underlying graphics stacks like Wayland, X11, or DRM. The flaw is classified as CWE-416 (Use After Free), a memory corruption bug class where freed heap memory is dereferenced, allowing attackers who can shape allocator state via JavaScript or DOM operations to gain control of an object's vtable or function pointer and pivot to code execution. Because Ozone runs within Chrome processes that handle untrusted web content, the bug becomes reachable from the renderer, making web-served HTML a viable trigger surface.
RemediationAI
Update Google Chrome Stable to version 149.0.7827.53 or later, which is the vendor-released patch confirmed via the Chrome Releases blog at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html. Enterprises managing Chrome via policy should validate auto-update is enabled (ensure ChromeCleanupEnabled and update channel policies are not blocking the rollout) and force-restart browser sessions to apply the patch, since the fix is inactive until Chrome relaunches. Downstream Chromium-based browsers should be updated to versions that incorporate the same fix once their vendors ship rebases. As an interim compensating control where patching is delayed, restrict browsing to trusted sites via enterprise allowlists or deploy a content-isolation policy such as Site Isolation (already default) combined with disabling JavaScript on untrusted origins - note this breaks most modern web applications and is only viable for kiosk or constrained environments.
Same weakness CWE-416 – Use After Free
View allVendor StatusVendor
SUSE
Severity: High| Product | Status |
|---|---|
| openSUSE Tumbleweed | Fixed |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-34351
GHSA-gvq6-w27g-7pg6