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. An attacker can exploit this by crafting a malicious HTML page that triggers the overflow, potentially leaking sensitive information from the browser's process memory. The CVSS vector indicates the attack requires no privileges but does require user interaction. The impact is limited to confidentiality loss without integrity or availability impact.
Potential Impact
The vulnerability allows remote attackers to obtain potentially sensitive information from process memory, which could lead to information disclosure. There is no indication of integrity or availability impact. No known exploits are currently reported in the wild.
Mitigation Recommendations
Google has released an update in Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. Patch status is not explicitly confirmed in the advisory link provided, so verify the update availability via the official Chrome release blog.
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. An attacker can exploit this by crafting a malicious HTML page that triggers the overflow, potentially leaking sensitive information from the browser's process memory. The CVSS vector indicates the attack requires no privileges but does require user interaction. The impact is limited to confidentiality loss without integrity or availability impact.
Potential Impact
The vulnerability allows remote attackers to obtain potentially sensitive information from process memory, which could lead to information disclosure. There is no indication of integrity or availability impact. No known exploits are currently reported in the wild.
Mitigation Recommendations
Google has released an update in Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. Patch status is not explicitly confirmed in the advisory link provided, so verify the update availability via the official Chrome release blog.
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: 4/16/2026, 11:32:00 AM
Last updated: 5/23/2026, 6:41:51 PM
Views: 56
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