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Mallory
High

Use-after-free in Google Chrome Ozone

IdentifiersCVE-2026-2321CWE-416· Use After Free

CVE-2026-2321 is a medium-severity use-after-free vulnerability in the Ozone component of Google Chrome affecting versions prior to 145.0.7632.45. According to the provided description, a remote attacker could convince a user to perform specific UI gestures while visiting a crafted HTML page, leading to a use-after-free condition and potential heap corruption. The issue is in Chrome’s Ozone-related code path, but the specific vulnerable function is not provided in the available content.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can trigger heap corruption in the browser process, which may cause browser instability or crashes. Depending on exploitability and surrounding conditions, heap corruption from a use-after-free may also be leveraged for more serious outcomes such as code execution, although the provided content only states this as a potential result and does not confirm demonstrated arbitrary code execution for this specific CVE.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure to untrusted web content. Practical mitigations from the provided content include enforcing URL filtering or safe browsing controls, restricting access to high-risk or untrusted sites, applying additional browser hardening where feasible, and educating users to avoid suspicious pages that request unusual or unexpected UI gestures. No complete workaround is provided.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 145.0.7632.45 or later. For Windows and macOS, Google recommended updating to 145.0.7632.45/46; for Linux, update to 145.0.7632.45. If using downstream Chromium packages, apply the vendor-provided fixed package versions for the relevant platform or distribution.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleChromeapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

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This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity5

Community discussion across Reddit, Mastodon, and other social sources.