High [CVE-2026-19138] Sandbox escape via heap buffer overflow in CrashReporting
This high-severity Red Hat Linux advisory covers CVE-2026-19138.
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Summary
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) This could lead to further compromise of the user's system.
After an initial compromise of the renderer process, typically through user interaction with a crafted HTML page, a heap buffer overflow can be exploited to bypass the browser's security sandbox. Red Hat severity: Important — CVSS 8.3 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).
Weakness: CWE-120.
- < 151.0.7922.109
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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