CVE-2024-5840: Policy Bypass in CORS
Chromium: CVE-2024-5840 Policy Bypass in CORS
Other sources
Policy bypass in CORS in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: Medium)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 126.0.6478.54 - Upgrade
Upgrade
chromium/google-chrome (policy bypass in CORS)to a version that resolves this vulnerability.Fixed in 126.0.6478.54
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2024-5840?
CVE-2024-5840 has a critical severity rating due to its potential to allow policy bypass.
How do I fix CVE-2024-5840?
To fix CVE-2024-5840, update Google Chrome to version 126.0.6478.54 or later.
Which software versions are affected by CVE-2024-5840?
CVE-2024-5840 affects Google Chrome versions prior to 126.0.6478.54 and certain versions of Microsoft Edge (Chromium-based).
Is CVE-2024-5840 exploitable remotely?
Yes, CVE-2024-5840 can be exploited remotely if users access a malicious site.
What is the nature of the vulnerability in CVE-2024-5840?
CVE-2024-5840 is a policy bypass vulnerability that can compromise the intended security policies of the browser.