CVE-2026-5867: Heap buffer overflow in Google Chrome
Heap buffer overflow in WebML 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 WebML feature of Google Chrome before version 147.0.7727.55. Exploitation could allow a remote attacker to read potentially sensitive information from the browser's process memory by using a specially crafted HTML page. The issue has been publicly disclosed and is rated as high severity by the Chromium security team. Google has released a stable channel update to fix this vulnerability, as noted in their official advisory.
Potential Impact
Successful exploitation of this vulnerability could lead to unauthorized disclosure of sensitive information from the browser's memory space. This could compromise user data confidentiality. There are no reports of active exploitation in the wild at the time of disclosure.
Mitigation Recommendations
Google has released an official stable channel update for Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update their Chrome installations to this version or later to remediate the issue. Since this is a client-side vulnerability, applying the update is the primary mitigation step.
CVE-2026-5867: Heap buffer overflow in Google Chrome
Description
Heap buffer overflow in WebML 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 WebML feature of Google Chrome before version 147.0.7727.55. Exploitation could allow a remote attacker to read potentially sensitive information from the browser's process memory by using a specially crafted HTML page. The issue has been publicly disclosed and is rated as high severity by the Chromium security team. Google has released a stable channel update to fix this vulnerability, as noted in their official advisory.
Potential Impact
Successful exploitation of this vulnerability could lead to unauthorized disclosure of sensitive information from the browser's memory space. This could compromise user data confidentiality. There are no reports of active exploitation in the wild at the time of disclosure.
Mitigation Recommendations
Google has released an official stable channel update for Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update their Chrome installations to this version or later to remediate the issue. Since this is a client-side vulnerability, applying the update is the primary mitigation step.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:33.781Z
- 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: 69d6ca391cc7ad14dab3cbab
Added to database: 4/8/2026, 9:35:53 PM
Last enriched: 4/8/2026, 10:21:45 PM
Last updated: 4/9/2026, 7:23:01 AM
Views: 6
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