Skip to content

Heap buffer overflow in PDFium in Google Chrome prior to...

Unreviewed Published Apr 15, 2026 to the GitHub Advisory Database • Updated Apr 15, 2026

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)

References

Published by the National Vulnerability Database Apr 15, 2026
Published to the GitHub Advisory Database Apr 15, 2026
Last updated Apr 15, 2026

Severity

Unknown

EPSS score

Weaknesses

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Learn more on MITRE.

CVE ID

CVE-2026-6306

GHSA ID

GHSA-p824-jmv3-c7rj

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.