Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Apple
  • Macos
Google
  • Chrome
Linux
  • Linux Kernel
Microsoft
  • Windows

Configuration 1 [-]

AND
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html cve-icon cve-icon cve-icon
https://issues.chromium.org/issues/492668885 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-5867 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-5867 cve-icon
History

Tue, 14 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

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

 cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Mon, 13 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Mon, 13 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

 cvssV3_1

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

ssvc

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

Fri, 10 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

 ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'}

Fri, 10 Apr 2026 12:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: Heap buffer overflow in WebML
Weaknesses CWE-120
References
Metrics threat_severity

None

 cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

threat_severity

Important

Thu, 09 Apr 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 08 Apr 2026 21:30:00 +0000

Type Values Removed Values Added
Description Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-122
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-04-08T21:20:43.173Z

Updated: 2026-04-14T12:51:46.643Z

Reserved: 2026-04-08T19:34:33.781Z

Link: CVE-2026-5867

cve-icon Vulnrichment

Updated: 2026-04-10T18:45:20.560Z

cve-icon NVD

Status : Modified

Published: 2026-04-08T22:16:26.247

Modified: 2026-04-14T13:16:22.857

Link: CVE-2026-5867

cve-icon Redhat

Severity : Important

Publid Date: 2026-04-07T00:00:00Z

Links: CVE-2026-5867 - Bugzilla