Description
Free of non-heap memory in Fonts in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-09-29
Score: 9.6 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

A flaw that frees non‑heap memory in Chrome’s font handling logic (CWE‑590) could let a remote attacker running a crafted HTML page execute code beyond the sandbox. The vulnerability may be abused through social engineering, where a victim is tricked into loading the malicious page, exposing the system to arbitrary code execution. The impact is the loss of all confidentiality, integrity, and availability because code can run with the user’s privileges.

Affected Systems

Affected system: Google Chrome, versions up to and including 154.0.8037.56. All users of the Chrome stable channel running these or earlier releases are at risk.

Risk and Exploitability

The CVSS score of 9.6 indicates critical severity. The lack of an EPSS score does not imply low risk; the vulnerability can be exploited remotely by a social engineering attack, where a user is tricked into loading a crafted HTML page that triggers the font handling flaw. The execution occurs outside the browser sandbox, granting full system privileges. The vulnerability is not yet listed in CISA KEV, so no known exploits have been observed publicly, but the high severity and exploit path make it a high‑risk issue for all affected Chrome users.

Generated by OpenCVE AI on September 30, 2026 at 12:15 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Install the latest Chrome update (154.0.8037.57 or later).
  • Disable or restrict font handling for untrusted content via enterprise policy settings.
  • Educate users to avoid opening unknown HTML pages or downloading fonts from untrusted sources until the patch is applied.

Generated by OpenCVE AI on September 30, 2026 at 12:15 UTC.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6513-1 chromium security update
History

Thu, 08 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: Free of non-heap memory in Fonts
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 30 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Wed, 30 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Title Non-Heap Memory Free in Chrome Font Handling Allows Remote Code Execution

Wed, 30 Sep 2026 00:00:00 +0000

Type Values Removed Values Added
Title Non-Heap Memory Free in Chrome Font Handling Allows Remote Code Execution

Tue, 29 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/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'}


Tue, 29 Sep 2026 20:15:00 +0000

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

Tue, 29 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Free of non-heap memory in Fonts in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-590
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-30T03:56:54.065Z

Reserved: 2026-09-22T05:08:29.643Z

Link: CVE-2026-95311

cve-icon Vulnrichment

Updated: 2026-09-29T19:21:28.091Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T18:17:23.227

Modified: 2026-09-30T20:29:43.237

Link: CVE-2026-95311

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-29T17:31:54Z

Links: CVE-2026-95311 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T12:30:17Z

Weaknesses
  • CWE-590

    Free of Memory not on the Heap