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Critical9.0Vendor: HighRed Hat Linux

Critical [CVE-2026-19173] Sandbox escape via out-of-bounds write in Chromium

This critical-severity Red Hat Linux advisory covers CVE-2026-19173.

CVE-2026-19173 Published Aug 6, 2026Updated by vendor Aug 6, 2026
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Out of bounds write in Skia 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) A flaw was found in Skia, a 2D graphics library utilized within Chromium-based browsers.

This exploitation occurs by enticing a user to visit a specially crafted HTML page. The successful execution of this attack could enable the attacker to escape the browser's security sandbox, potentially leading to further compromise of the underlying system.

An Important out-of-bounds write vulnerability in Skia, as used in various Red Hat components, allows a compromised browser renderer process to escape its security sandbox. Red Hat severity: Important — CVSS 9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).

Weakness: CWE-787.

Affected versions
  • < 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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