CVE-2026-5864: Heap buffer overflow in Google Chrome
Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
This vulnerability involves a heap buffer overflow in the WebAudio subsystem of Google Chrome before version 147.0.7727.55. Exploitation requires a remote attacker to craft a malicious HTML page that triggers the overflow, potentially leaking sensitive information from the browser's process memory. The issue was publicly disclosed and patched by Google in a stable channel update. No detailed CVSS metrics are available, but the Chromium security team rates it as high severity.
Potential Impact
Successful exploitation could lead to disclosure of sensitive information from Chrome's process memory, which may compromise user privacy or security. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Google has released a stable channel update for Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. Since this is not a cloud service, remediation depends on applying the update to affected installations. Patch status is confirmed by the vendor advisory.
CVE-2026-5864: Heap buffer overflow in Google Chrome
Description
Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap buffer overflow in the WebAudio subsystem of Google Chrome before version 147.0.7727.55. Exploitation requires a remote attacker to craft a malicious HTML page that triggers the overflow, potentially leaking sensitive information from the browser's process memory. The issue was publicly disclosed and patched by Google in a stable channel update. No detailed CVSS metrics are available, but the Chromium security team rates it as high severity.
Potential Impact
Successful exploitation could lead to disclosure of sensitive information from Chrome's process memory, which may compromise user privacy or security. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Google has released a stable channel update for Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. Since this is not a cloud service, remediation depends on applying the update to affected installations. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:33.171Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69d6ca371cc7ad14dab3cb6b
Added to database: 4/8/2026, 9:35:51 PM
Last enriched: 4/8/2026, 10:22:01 PM
Last updated: 4/9/2026, 7:38:35 AM
Views: 5
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