Description
Use after free in PDFium in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Medium)
Published: 2026-07-30
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

In Google Chrome versions prior to 151.0.7922.72, the PDFium component contains a use‑after‑free flaw that permits a remote attacker to execute arbitrary code inside the browser’s sandbox when a specially crafted PDF file is opened. The flaw is a classic use‑after‑free (CWE‑416) with an associated heap corruption component (CWE‑825).

Affected Systems

Google Chrome operating on any platform that is running a version earlier than 151.0.7922.72 is affected.

Risk and Exploitability

The CVSS score of 8.8 indicates high severity, while the EPSS score of less than 1 % denotes a low probability of exploitation in the wild. The vulnerability is not listed in the CISA KEV catalog. Attack requires a user to open a malicious PDF, giving the vector a remote nature via a crafted file. The code runs within the browser’s sandbox; no further exploitation steps are described in the provided data.

Generated by OpenCVE AI on August 3, 2026 at 11:55 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Update Google Chrome to version 151.0.7922.72 or later.
  • Disable the PDFium viewer in Chrome via policy if it is not needed for business operations.
  • Avoid opening PDF files from untrusted or unknown sources.

Generated by OpenCVE AI on August 3, 2026 at 11:55 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4710-1 chromium security update
Debian DSA Debian DSA DSA-6408-1 chromium security update
History

Fri, 31 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: chromium-browser: Use after free in PDFium
Weaknesses CWE-825
References
Metrics threat_severity

None

 threat_severity

Moderate

Thu, 30 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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

Thu, 30 Jul 2026 08:00:00 +0000

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

Thu, 30 Jul 2026 01:00:00 +0000

Type Values Removed Values Added
Description Use after free in PDFium in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Medium)
Weaknesses CWE-416
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-31T03:55:50.762Z

Reserved: 2026-07-27T23:35:09.615Z

Link: CVE-2026-17875

cve-icon Vulnrichment

Updated: 2026-07-30T16:23:34.139Z

cve-icon NVD

Status : Analyzed

Published: 2026-07-30T01:16:51.423

Modified: 2026-08-03T18:26:21.707

Link: CVE-2026-17875

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-07-30T00:19:45Z

Links: CVE-2026-17875 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T12:00:16Z

Weaknesses