CVE-2026-12019

chromium-browser: chromium-browser: Out of bounds write  Codecs

Published Jun 11, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Heap buffer overflow in Codecs in Google Chrome on Linux and ChromeOS prior to 149.0.7827.115 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)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6344-1 chromium security update
History
Type Values Removed Values Added
Title Heap Buffer Overflow in Chrome Codecs Allows Sandbox Escape After Renderer Compromise chromium-browser: chromium-browser: Out of bounds write  Codecs
Weaknesses CWE-120
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Google chrome Os
Linux
Linux linux Kernel
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Google chrome Os
Linux
Linux linux Kernel
Type Values Removed Values Added
Title Heap Buffer Overflow in Chrome Codecs Allows Sandbox Escape After Renderer Compromise
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Heap buffer overflow in Codecs in Google Chrome on Linux and ChromeOS prior to 149.0.7827.115 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)
Weaknesses CWE-787
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 12, 2026, 3:56 AM
Reserved
Jun 11, 2026, 6:16 PM
Status
Analyzed
Published
Jun 11, 2026, 10:16 PM
Modified
Oct 26, 2026, 11:10 AM
Severity
Important
Public date
Jun 11, 2026, 8:48 PM