CVE-2026-7339: Heap buffer overflow in Google Chrome
Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
This vulnerability involves a heap buffer overflow in the WebRTC implementation of Google Chrome before version 147.0.7727.138. An attacker can potentially exploit this by crafting a malicious HTML page that triggers heap corruption, which may lead to undefined behavior or code execution. The issue was publicly disclosed and fixed in the stable Chrome update 147.0.7727.138.
Potential Impact
Successful exploitation could result in heap corruption within the browser process, potentially leading to denial of service or arbitrary code execution. However, no known exploits have been reported in the wild, and the severity is rated medium by the Chromium security team.
Mitigation Recommendations
Users should update Google Chrome to version 147.0.7727.138 or later, where this vulnerability has been fixed. Since this is a client-side vulnerability in a desktop application, applying the official update is the recommended remediation. No additional mitigations are specified by the vendor.
CVE-2026-7339: Heap buffer overflow in Google Chrome
Description
Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap buffer overflow in the WebRTC implementation of Google Chrome before version 147.0.7727.138. An attacker can potentially exploit this by crafting a malicious HTML page that triggers heap corruption, which may lead to undefined behavior or code execution. The issue was publicly disclosed and fixed in the stable Chrome update 147.0.7727.138.
Potential Impact
Successful exploitation could result in heap corruption within the browser process, potentially leading to denial of service or arbitrary code execution. However, no known exploits have been reported in the wild, and the severity is rated medium by the Chromium security team.
Mitigation Recommendations
Users should update Google Chrome to version 147.0.7727.138 or later, where this vulnerability has been fixed. Since this is a client-side vulnerability in a desktop application, applying the official update is the recommended remediation. No additional mitigations are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-28T20:02:35.329Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html","vendor":"Google"}]
Threat ID: 69f13d70cbff5d8610e3543e
Added to database: 4/28/2026, 11:06:24 PM
Last enriched: 4/28/2026, 11:23:22 PM
Last updated: 4/29/2026, 6:41:07 AM
Views: 10
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