CVE-2026-19138: Heap buffer overflow in Google Chrome
Heap buffer overflow in CrashReporting in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-19138 is a heap buffer overflow vulnerability in the CrashReporting feature of Google Chrome before version 151.0.7922.109. Exploitation requires prior compromise of the renderer process and involves a crafted HTML page to potentially achieve sandbox escape. The vulnerability is considered high severity by Chromium security. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation details.
Potential Impact
If exploited, this vulnerability could allow an attacker who has compromised the renderer process to escape the sandbox, potentially leading to increased privileges and further system compromise. The impact is limited to scenarios where the renderer process is already compromised.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html for current remediation guidance. Until official confirmation, users should update Chrome to the latest available version as soon as possible to mitigate potential risk.
CVE-2026-19138: Heap buffer overflow in Google Chrome
Description
Heap buffer overflow in CrashReporting in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.3high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19138 is a heap buffer overflow vulnerability in the CrashReporting feature of Google Chrome before version 151.0.7922.109. Exploitation requires prior compromise of the renderer process and involves a crafted HTML page to potentially achieve sandbox escape. The vulnerability is considered high severity by Chromium security. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation details.
Potential Impact
If exploited, this vulnerability could allow an attacker who has compromised the renderer process to escape the sandbox, potentially leading to increased privileges and further system compromise. The impact is limited to scenarios where the renderer process is already compromised.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html for current remediation guidance. Until official confirmation, users should update Chrome to the latest available version as soon as possible to mitigate potential risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-06T16:51:43.928Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html","vendor":"Google"}]
Threat ID: 6a7506f8bf8831d5395f5576
Added to database: 08/06/2026, 22:13:12 UTC
Last enriched: 08/06/2026, 23:41:59 UTC
Last updated: 08/07/2026, 01:42:00 UTC
Views: 2
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