CVE-2026-19156: Heap buffer overflow in Google Chrome
CVE-2026-19156 is a heap buffer overflow vulnerability in the Base component of Google Chrome prior to version 151.0.7922.109. This flaw could be exploited by an attacker who convinces a user to install a malicious Chrome extension, potentially leading to heap corruption. The vulnerability is rated with high severity by Chromium security. No CVSS score is provided, and no known exploits in the wild have been reported. A vendor advisory link is available but does not explicitly confirm patch status or remediation details.
AI Analysis
Technical Summary
This vulnerability involves a heap buffer overflow in the Base component of Google Chrome versions before 151.0.7922.109. Exploitation requires user interaction in the form of installing a crafted malicious Chrome extension, which could trigger heap corruption. The issue was publicly disclosed with a high severity rating by Chromium security. The vendor advisory is available but does not explicitly state if a patch or fix has been released. No active exploitation has been reported to date.
Potential Impact
Successful exploitation could lead to heap corruption, which may allow an attacker to execute arbitrary code or cause a denial of service within the context of the affected Chrome browser. The attack vector requires user consent to install a malicious extension, limiting the scope to targeted social engineering scenarios.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should avoid installing untrusted or suspicious Chrome extensions until official updates or patches are confirmed. Monitor the provided Google Chrome release blog for updates regarding this vulnerability.
CVE-2026-19156: Heap buffer overflow in Google Chrome
Description
CVE-2026-19156 is a heap buffer overflow vulnerability in the Base component of Google Chrome prior to version 151.0.7922.109. This flaw could be exploited by an attacker who convinces a user to install a malicious Chrome extension, potentially leading to heap corruption. The vulnerability is rated with high severity by Chromium security. No CVSS score is provided, and no known exploits in the wild have been reported. A vendor advisory link is available but does not explicitly confirm patch status or remediation details.
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
This vulnerability involves a heap buffer overflow in the Base component of Google Chrome versions before 151.0.7922.109. Exploitation requires user interaction in the form of installing a crafted malicious Chrome extension, which could trigger heap corruption. The issue was publicly disclosed with a high severity rating by Chromium security. The vendor advisory is available but does not explicitly state if a patch or fix has been released. No active exploitation has been reported to date.
Potential Impact
Successful exploitation could lead to heap corruption, which may allow an attacker to execute arbitrary code or cause a denial of service within the context of the affected Chrome browser. The attack vector requires user consent to install a malicious extension, limiting the scope to targeted social engineering scenarios.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should avoid installing untrusted or suspicious Chrome extensions until official updates or patches are confirmed. Monitor the provided Google Chrome release blog for updates regarding this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-06T16:51:49.049Z
- 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: 6a7506febf8831d5395f5901
Added to database: 08/06/2026, 22:13:18 UTC
Last enriched: 08/06/2026, 23:27:47 UTC
Last updated: 08/07/2026, 01:01:06 UTC
Views: 2
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